1992.10.15


SUBJECT: SCCS¿¡ °üÇÑ ¸Þ´º¾ó





1.1 ¼Ò°³
	
	¼Ò½º È­ÀϵéÀ» °øµ¿À¸·Î ¾µ¶§ ¸¹Àº »ç¶÷ÀÌ °íÄ¡¸é º¯È­¸¦ ±â·ÏÇÏ´Â °ÍÀº Áß¿äÇÏ´Ù.
	°»½ÅµÇ´Â °úÁ¤À» ±â·ÏÇÏ´Â °ÍÀº ¾ðÁ¦ ¿Ö º¯È­°¡ ÀÏ¾î ³µ´ÂÁö ¾Ë ¼ö ÀÖ°Ô ÇÑ´Ù.
	Source Code Control System(SCCS)´Â ¼Ò½º È­ÀϵéÀÇ Á¢±ÙÀ» Á¶ÀýÇÏ°í À̵éÀÇ º¯È­¸¦ 
	»ìÆì(monitor)º¼ ¼ö ÀÖ´Ù.
	SCCS´Â ´ÜÁö ÇÑ »ç¿ëÀÚ¿¡°Ô È­ÀÏÀ» °»½Å Çϵµ·Ï ÇÏ°í ¸ðµç º¯È­¸¦ historyÈ­ÀÏ¿¡ 
	±â·ÏÇÑ´Ù.

	SCCS´Â ´ÙÀ½°ú °°Àº ÀÏÀ» ÇÑ´Ù.
	
	* SCCS history·ÎºÎÅÍ ¾î¶² ¹öÁ¯ÀÇ È­Àϵ鵵 °¡Á®¿Ã ¼ö ÀÖ´Ù.
	* ´ÜÁö ´ç½Å¸¸ÀÌ ±×°ÍÀ» ¼öÁ¤Çϱâ À§ÇÏ¿© ±× ¹öÁ¯ÀÇ È­ÀÏÀ» Àá±×°í(lock) È®ÀÎÇÒ ¼ö 
	  ÀÖ´Ù.  SCCS´Â ´Ù¸¥ »ç¿ëÀÚ¿¡ ÀÇÇØ ¹«ÀǽÄÁß¿¡ ¹Ù²îÁö ¾Êµµ·Ï ÇÑ´Ù.
	* È­ÀÏÀÌ °»½ÅµÈ ³»¿ëÀ» È®ÀÎ ÇÒ ¼ö ÀÖ´Ù.
	  ´ç½ÅÀÌ È­ÀÏÀ» È®ÀÎÇÒ¶§ ¶ÇÇÑ ´ç½ÅÀÌ º¯È­½ÃŲ °ÍÀ» ¿ä¾àÇÏ¿© ³ÖÀ» ¼ö ÀÖ´Ù.
	* È­ÀÏÀ» ¼öÁ¤ÇÒ ¼ö ÀÖ´Â °¡¸¦ È®ÀÎ ÇÒ ¼ö ÀÖ´Ù.
	* ¼±ÅÃÇÑ ¹öÁ¯ »çÀÌÀÇ Â÷À̸¦ È®ÀÎ ÇÒ ¼ö ÀÖ´Ù.
	* º¯È­¸¦ ¿ä¾àÇÑ version log¸¦ º¼ ¼ö ÀÖ´Ù.

 - sccs¸í·É

	SCCS´Â sccs¸í·É°ú ÇÔ²² ¾´´Ù.
	À̰͵éÀº /usr/sccs¿¡ ÀÖ´Ù.

 - Initializing the SCCS history file : sccs create

	sccs create¸í·ÉÀº ´ç½ÅÀÇ È­ÀÏÀ» SCCSÀÇ Á¦¾î¸¦ ¹Þµµ·Ï ÇÑ´Ù.
	ÀÌ°ÍÀº »õ·Î¿î historyÈ­ÀÏÀ» ¸¸µé°í ´ç½ÅÀÇ ¼Ò½º È­ÀÏÀ» Ãʱ⠹öÁ¯À¸·Î »ç¿ëÇÑ´Ù.
	±âº»À¸·Î historyÈ­ÀÏÀº SCCS subdirectory¹Ø¿¡ ³õ´Â´Ù.: ¸¸¾à ÀÌ µð·ºÅ丮°¡ 
	¾ø´Ù¸é ¸¸µé¼ö ÀÖ´Ù.

	sparc% mkdir SCCS
	sparc% sccs create program.c

	program.c:
	1.1
	87 lines

	SCCS·ÎºÎÅÍ Ãâ·ÂÀº ¸¸µé¾îÁø È­ÀÏÀÇ À̸§°ú ¹öÁ¯ ¹øÈ£(1.1),¶óÀÎÀÇ ¼ö¸¦ º¸¿©ÁØ´Ù.
	»ç°í³ª ¿ì¿¬È÷ ¿øº» È­ÀÏÀÌ ¼Õ½ÇµÇ´Â °ÍÀ» ¹æÁöÇϱâ À§ÇÏ¿© sccs create´Â comma(,)·Î
	½ÃÀÛÇÏ´Â ´Ù¸¥ È­ÀÏÀ» ¸¸µç´Ù.
	historyÈ­ÀÏÀÌ ¼º°øÀûÀ¸·Î ÃʱâÈ­ µÇ¸é SCCS´Â »õ·Î¿î,ÀÐÀ»¼ö ¸¸ ÀÖ´Â ¹öÁ¯À» °¡Á®¿Â´Ù.
	ÀÌ comma-fileÀÇ ¹öÁ¯À» È®ÀÎÇÑÈÄ ÀÌ»óÀÌ ¾øÀ¸¸é ÀÌ°ÍÀ» Áö¿ï ¼ö ÀÖ´Ù.

	sparc% cmp ,program.c program.c
	( no output means that the files match exactly)
	sparc% rm ,program.c

	SCCS°¡ °¡Á®¿Â(retrieve) read-only¹öÁ¯À» ÆíÁý(edit) ÇÏÁö ¸¶¶ó.
	ÀÌ È­ÀÏÀ» ÆíÁýÇϱâ Àü¿¡ ¾Æ·¡ ¼³¸íÇÒ sccs edit¸í·ÉÀ» »ç¿ëÇÑ´Ù.
	historyÈ­ÀÏ°ú ÇöÀç ¹öÁ¯À» ±¸º°Çϱâ À§ÇÏ¿© SCCS´Â ¾Õ¿¡ 's.'¸¦ »ç¿ëÇÑ´Ù.

	sparc% ls SCCS
	s.program.c

	ÀÌ°Í ¶§¹®¿¡ hostoryÈ­ÀÏÀº Á¾Á¾ s.È­ÀÏ("s-dot-file")·Î ºÎ¸¥´Ù.
	¶ÇÇÑ "SCCS-file"¶ó°íµµ ºÎ¸¥´Ù.
	ÀÌ historyÈ­ÀÏÀÇ ÇüÅ´ sccsfile(5)¿¡ ¼³¸íµÇ¾î ÀÖ´Ù.

 - 񃧯 sccs subcommands

	´ÙÀ½ÀÇ sccs subcommandµéÀº ±âº» ¹öÁ¯À» Á¦¾îÇÏ´Â ±â´ÉÀ» ¼öÇàÇÑ´Ù.
	À̰͵éÀº ¿©±â¿¡ ¿ä¾àÇß°í create¸¦ Á¦¿ÜÇÏ°í´Â ¾Æ·¡ sccs subcommand¹Ø¿¡ ÀÚ¼¼È÷ 
	¼³¸íÇß´Ù.

	create    historyÈ­ÀÏ°ú óÀ½ ¹öÁ¯À» ÃʱâÈ­ ÇÑ´Ù.
	edit      ¾µ ¼ö ÀÖ´Â ¹öÁ¯À» °¡Á®¿Â´Ù(ÆíÁýÀ» À§ÇÏ¿©).
	          SCCS´Â ´ç½ÅÀ» ¼ÒÀ¯ÀÚ·Î ¾µ ¼ö ÀÖ´Â º¹»çº»À» °¡Á®¿À°í ´Ù¸¥»ç¶÷ÀÌ °íÄ¡Áö
		  ¸øÇϵµ·Ï historyÈ­ÀÏ¿¡ lockÀ» °Ç´Ù.
	delta     ´ç½ÅÀÇ º¯È­¸¦ ±â·ÏÇÑ´Ù.
		  ÀÌ°ÍÀº sccs editµ¿ÀÛÀ» ¼öÇàÇÏ´Â °ÍÀÌ´Ù.
		  °íÄ£ °ÍÀ» ±â·ÏÇϱâ Àü¿¡ SCCS´Â ÁÖ¼® ´Þ±â¸¦ ¿øÇÏ°í historyÈ­ÀÏÀÇ ¹öÁ¯
		  log¿¡ ±â·ÏÇÑ´Ù.
	get       s.file·ÎºÎÅÍ read-only copy¸¦ °¡Á®¿Â´Ù.
		  ±âº»ÀûÀ¸·Î ÀÌ°ÍÀº °¡Àå ÇöÀçÀÇ ¹öÁ¯ÀÌ´Ù.
		  °¡Á®¿Â ¹öÁ¯ÀÌ compilation,formatting,displayÀ» À§ÇÑ ¼Ò½º È­ÀÏ·Î »ç¿ëµÇ´Â
                  ¹Ý¸é ¾î¶² ¹æ¹ýÀ¸·Îµµ ÆíÁýµÇ°Å³ª °íÄ¡·Á´Â °ÍÀº ¾Æ´Ï´Ù.

	´ç½ÅÀÌ filename argument·Î µð·ºÅ丮¸¦ ÁÖ¸é sccs´Â ±× µð·ºÅ丮¾ÈÀÇ °¢ s.file¿¡ 
	subcommand¸¦ ¼öÇàÇÏ·Á ÇÑ´Ù.

	sccs get SCCS

	À§´Â SCCS subdirectoryÀÇ ¸ðµç s.fileÀÇ read-only¹öÁ¯À» °¡Á®¿Â´Ù.

	prt        °¢ ¹öÁ¯¿¡ °ü°èµÈ ÁÖ¼®À» Æ÷ÇÔÇÑ ¹öÁ¯ log¸¦ º¸¿©ÁØ´Ù.

 - Delta and version
	
	´ç½ÅÀÌ ¹öÁ¯À» È®ÀÎÇÒ¶§ SCCS´Â ´ÜÁö ¾ÕÀÇ ¹öÁ¯°ú ´ç½ÅÀÌ ±â·ÏÇÑ °Í »çÀÌ¿¡ ÁÙ´ÜÀ§ÀÇ 
	Â÷À̸¦ ±â·ÏÇÑ´Ù.
	ÀÌ·± Â÷ÀÌÀÇ ¼³Á¤À» delta¶ó°í ¸»ÇÑ´Ù.
	edit³ª getÀ¸·Î °¡Á®¿Â ¹öÁ¯Àº ¿©±â±îÁö Áõ°¡µÈ delta·Î ±¸¼ºµÈ´Ù.
	"delta"¿Í "version"Àº Á¾Á¾ ºñ½ÁÇÏ°Ô »ç¿ëµÇ³ª ±×µéÀÇ Àǹ̰¡ Á¤È®È÷ °°Áö´Â ¾Ê´Ù.
	delta¸¦ »ý·«ÇÏ°í versionÀ» °¡Á®¿À´Â °ÍÀÌ °¡´ÉÇÏ´Ù.
	(¾Æ·¡ Excluding Deltas from a Retrieved VersionÀ» º¸¶ó)

   SIDs

	SCCS delta IDȤÀº SID´Â ƯÁ¤ÇÑ delta¸¦ ³ªÅ¸³»±â À§ÇÏ¿© »ç¿ëµÇ´Â ¼ýÀÚÀÌ´Ù.
	ÀÌ°ÍÀº dot(.)·Î ºÐ¸®µÈ two-pair numberÀÌ´Ù.
	Ãʱâ deltaÀÇ SID´Â ±âº»À¸·Î 1.1ÀÌ´Ù.
	SIDÀÇ Ã¹ ºÎºÐÀº release number,µÎ¹ø°´Â level numberÀÌ´Ù.
	´ç½ÅÀÌ delta¸¦ ±â·ÏÇÒ¶§ level¹øÈ£´Â ÀÚµ¿À¸·Î Áõ°¡ÇÑ´Ù.
	ÀÌ release¹øÈ£´Â ÇÊ¿ä¿¡ µû¶ó Áõ°¡ÇÑ´Ù.
	SCCS´Â ¶ÇÇÑ branch delta¶ó´Â µÎ°³ÀÇ Ã·°¡µÈ Çʵ带 °®´Â´Ù.
	(¾Æ·¡ Branch Deltas¿¡ ¼³¸íÇÑ´Ù.)
	¾ö°ÝÈ÷ À̾߱â Çϸé SID´Â Á÷Á¢ delta¸¦ ¸»ÇÑ´Ù.
	±×·¯³ª ÀÌ°ÍÀº delta¿Í ¾ÕÀÇ °Í(predecessor)À¸·Î ±¸¼ºÇÏ´Â ¹öÁ¯À» °¡¸£Å°´Âµ¥ »ç¿ëµÈ´Ù.

   ID Keywords
	
	SCCS´Â ¼Ò½º È­ÀϾÈÀÇ keyword¸¦ Àü°³ÇÏ°í ÀνÄÇÑ´Ù.
	ÀÌ keyword´Â °¡Á®¿Â ¹öÁ¯(check-in version)¿¡ ¹öÁ¯°ú µ¶¸³ÀûÀÎ Á¤º¸(¿¹·Î SID°°Àº)¸¦ 
	Æ÷ÇÔÇϴµ¥ »ç¿ëÇÒ ¼ö ÀÖ´Ù.
	È­ÀÏÀ» ÆíÁýÇϱâ À§ÇÏ¿© °¡Á®¿Ã¶§ ID keyword´Â ´ÙÀ½ÀÇ ÇüŸ¦ °®´Â´Ù.

	%C%

	C´Â ´ë¹®ÀÚÀÌ´Ù.
	´ç½ÅÀÌ ÀÌ È­ÀÏÀ» °¡Á®¿Ã¶§ SCCS´Â ÀÌ keyword¸¦ ±×°ÍÀÌ ÀǹÌÇÏ´Â Á¤º¸·Î ¹Ù²Û´Ù.
	¿¹·Î %I%´Â ÇöÀç ¹öÁ¯ÀÇ SID·Î Àü°³ÇÑ´Ù.
	´ç½ÅÀº ÀüÇüÀûÀ¸·Î ÁÖ¼®À̳ª string definition¾È¿¡ ID keyword¸¦ Æ÷ÇÔ½Ãų ¼ö ÀÖ´Ù. 
	¸¸¾à ¼Ò½º È­ÀϾȿ¡ Àû¾îµµ ÇϳªÀÇ ID keyword¸¦ Æ÷ÇÔÇÏÁö ¾Ê´Â´Ù¸é SCCS´Â ´ÙÀ½°ú °°Àº
	diagniostic¸¦ º¸³½´Ù.

	NO Id Keywords (cm7)

	ID Keyword¿¡ °üÇÑ º¸´Ù ¸¹Àº Á¤º¸´Â ¾Æ·¡ÀÇ Incorporating ID Keywords¿¡ ¼³¸íÇÑ´Ù.

1.2 sccs subcommands

 - Checking Files In and Out

	´ÙÀ½ÀÇ subcommandµéÀº ¹öÁ¯À» °¡Á®¿À°í °íÄ¡´Âµ¥ À¯¿ëÇÏ´Ù.

  * checking out a file for editing: sccs edit

	¼Ò½º¸¦ ÆíÁýÇϱâ À§ÇÏ¿© óÀ½¿¡ sccs edit¸¦ »ç¿ëÇÑ´Ù.
	SCCS´Â ¹æ±Ý °¡Á®¿Â delta ID¸¦ º¸¿©ÁÖ°í °íÄ£ °ÍÀ» ±â·ÏÇÒ¶§ delta ID¸¦ ÇÒ´çÇÑ´Ù.

	sparc% sccs edit program.c
	1.1
	new delta 1.2
	87 lines

	´ç½ÅÀº ¿¡µðÅ͸¦ »ç¿ëÇÏ¿© ±×°ÍÀ» ÆíÁýÇÒ ¼ö ÀÖ´Ù.
	¸¸¾à ÆíÁýÇϱâ À§ÇØ °¡Á®¿Â ¾µ ¼ö ÀÖ ´Â(writable) º¹»çº»ÀÌ ÀÖÀ¸¸é sccs edit´Â 
	¿¡·¯ ¸Þ¼¼Áö¸¦ º¸³½´Ù.
	´Ù¸¥ »ç¶÷ÀÌ ±×°Í¿¡ Á¢±ÙÇصµ ¾µ ¼ö ¾ø´Ù.

  * checking in a new version: sccs delta

	´ç½ÅÀÇ È­ÀÏÀ» °¡Á®¿Í ÆíÁýÀ» ³¡³»¸é sccs delta¸¦ »ç¿ëÇÏ¿© °íÄ£ °ÍÀ» ±â·ÏÇÑ´Ù.
	ÀÌ°ÍÀ» "making delta"¶ó°í ºÎ¸¥´Ù.
	°»½ÅÇϱâ Àü¿¡ SCCS´Â ÁÖ¼®À» ³Öµµ·Ï ÇÁ·ÒÇÁÆ®¸¦ ³ªÅ¸³½´Ù.
	¿©±â¿¡´Â º¯È­½ÃŲ °ÍÀÇ °£´ÜÇÑ ¿ä¾àÀ» Æ÷ÇÔÇÑ´Ù.

	sparc% sccs delta program.c
	comment?

	´ç½ÅÀº NEWLINE¾Õ¿¡ backslash·Î ÁÙÀ» ´Ã·Á ÁÖ¼®À» ÷°¡ ÇÒ ¼ö ÀÖ´Ù.

	sparc% sccs delta program.c
	comment? corrected typo in widget(), \
	null pointer in n_crunch()
	1.2
	5 inserted
	3 deleted
	84 unchanged

  * changed lines count as lines deleted and inserted

	SCCS´Â »õ ¹öÁ¯ÀÇ SID¸¦ ³ªÅ¸³»°í »ðÀԵǰí Áö¿öÁö°í ¹Ù²îÁö ¾ÊÀº ¶óÀÎÀÇ ¹øÈ£¸¦ º¸¿©ÁØ´Ù.
	SCCS´Â working fileÀ» Á¦°ÅÇÑ´Ù.
	´ç½ÅÀº sccs getÀ» »ç¿ëÇÏ¿© read-only versionÀ» °¡Á®¿Â´Ù.
	ÁÖ¼®Àº Àǹ̰¡ ÀÖ´Ù.¿Ö³Ä ÇÏ¸é ´ç½ÅÀº °°Àº ³¯ ±× È­ÀÏÀ» ´Ù½Ã °¡Á® ¿Ã ¼ö ÀÖ´Ù.
	ÀϹÝÀûÀ¸·Î »ç¿ëÇϱâ À§ÇÏ¿© ±× ¸ðÁÙÀ» installingÀ̳ª compilingÇϱâ Àü¿¡ ¸ðµç °íÄ£ È­ÀÏÀ»
	±â·ÏÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù.
	ÁÁÀº ¹æ¹ýÀº ÇÊ¿äÇÑ È­ÀÏÀ» ÆíÁý(edit)ÇÏ°í,¸¸Á·ÇÒ¶§±îÁö °íÄ¡°í compileÇÏ°í ¼öÁ¤ÇÏ°í,±×µéÀ»
	±â·ÏÇÏ°í,getÀ¸·Î read-only copy·Î °¡Á®¿À°í ±× ¸ðÁìÀ» recompileÇÑ´Ù.

  * retriving a version: sccs get

	°¡Àå ÃÖ±ÙÀÇ È­ÀÏÀ» °¡Á®¿À±â À§ÇÏ¿© ¾Æ·¡ ¸í·ÉÀ» »ç¿ëÇÑ´Ù.

	sccs get filename

	¿¹·Î:

	sparc% sccs get program.c
	1.2
	86 lines

	À§´Â program.c¸¦ °¡Á®¿À°í ¶óÀÎÀÇ ¼ö¿Í ¹öÁ¯ ¹øÈ£¸¦ º¸¿©ÁØ´Ù.
	ÀÌ È­ÀÏÀÇ Çã°¡´Â read-onlyÀÌ´Ù.
	ÀÌ È­ÀÏÀº ¼öÁ¤ÇÏÁö ¸¶¶ó.
	¿Ö³Ä Çϸé SCCS´Â È­ÀÏÀ» ±â·ÏÇÏÁö ¾ÊÀ¸¸é »õ·Î¿î delta¸¦ ¸¸µéÁö ¾ÊÀ» °ÍÀÌ´Ù.
	¸¸¾à °­Á¦·Î ¼öÁ¤ÇÏ¸é ´ÙÀ½¿¡ ´Ù¸¥ »ç¶÷ÀÌ sccs edit³ª sccs getÀ» ¼öÇàÇÒ¶§ ±×°ÍµéÀ»
	ÀÒ¾î ¹ö¸± ¼ö ÀÖ´Ù.

  * reviewing pending changes: sccs diffs

	°¡Áö°í ¿Â ¹öÁ¯À» ¼öÁ¤ÇÏ¿´À¸³ª ¾ÆÁ÷ ±â·ÏÇÏÁö ¾Ê¾Ò´Ù¸é pendingµÇ¾ú´Ù°í ¸»ÇÑ´Ù.
	È­ÀÏÀ» ÆíÁýÇÒ¶§ 'sccs diffs'¸¦ »ç¿ëÇÏ¿© pendingÀÇ ³»¿ëÀ» º¼ ¼ö ÀÖ´Ù.
	diffs subcommand´Â working copy¿Í ÃÖ±ÙÀÇ ±â·Ï µÈ ¹öÁ¯À» ºñ±³Çϱâ À§ÇÏ¿©
	diff(1)¸í·É¸¦ »ç¿ëÇÑ´Ù.

	sparc% sccs diffs program.c
	-------- program.c --------
	37c37
	<	if (((cmd_p - cmd) + 1) == l_lim){
	---
	>	if (((cmd_p - cmd) - 1) == l_lim){

	diff¸í·ÉÀÇ ´ëºÎºÐÀÇ ¿É¼ÇÀÌ »ç¿ëµÉ ¼ö ÀÖ´Ù.
	diff¸í·ÉÀÇ -c option¿¡ ´ëÇؼ­´Â 'sccs diffs'ÀÇ '-C' argument¸¦ »ç¿ëÇÑ´Ù.

  * deleting pending changes: sccs unedit

	sccs unedit´Â pending change¸¦ ÇÏÁö ¾Êµµ·Ï ÇÑ´Ù.
	ÀÌ°ÍÀº ÆíÁýÇÏ´Â µ¿¾È È­ÀÏÀÌ ¼Õ»óÀ» ÀÔ¾î ´Ù½Ã ½ÃÀÛÇϱ⸦ ¿øÇÑ´Ù¸é Æí¸®ÇÏ´Ù.
	unedit´Â ±â·ÏÇÑ ¹öÁ¯À» Á¦°ÅÇÏ°í history fileÀ» Ç®°í(unlock) °¡Àå ÃÖ±ÙÀÇ ±â·ÏÇÑ 
	¹öÁ¯ÀÇ read-only È­ÀÏÀ» °¡Á®¿Â´Ù.
	unedit¸¦ »ç¿ëÇÑ ÈÄ¿¡´Â °áÄÚ ±× È­ÀÏÀ» ±â·ÏÇÏÁö ¾ÊÀº °Í°ú °°´Ù.
	ÆíÁýÀ» Àç°³ÇÏ·Á¸é ±× È­ÀÏÀ» ±â·ÏÇϱâ À§ÇÏ¿© sccs edit¸¦ »ç¿ëÇÑ´Ù.
	(¾Æ·¡ÀÇ Repairing a Writable Copy¸¦ ¶ÇÇÑ ÂüÁ¶Ç϶ó)

  * combining delta and get: sccs delget

	sccs delgetÀº delta¿Í getÀ» °áÇÕÇÑ´Ù.
	ÀÌ°ÍÀº ´ç½ÅÀÇ º¯È­¸¦ ±â·ÏÇÏ°í »õ·Î¿î ¹öÁ¯ÀÇ read-only copy¸¦ °¡Á®¿Â´Ù.
	±×·¯³ª SCCS°¡ deltaµ¿¾È ¿¡·¯¸¦ ¸¸³ª¸é getÀ» ¼öÇàÇÏÁö ¾Ê´Â´Ù.
	È­ÀÏÀÇ ¸ñ·ÏÀ» °¡Á®¿Ã¶§ delgetÀº ÇÒ ¼ö ÀÖ´Â ÇÑ ¸ðµÎ¿¡°Ô getÀ» ¼öÇàÇÏ°í ¸¸¾à ¿¡·¯¸¦ 
	¸¸³ª¸é ¸ðµÎ ¿¡°Ô¼­ getÀ» »ý·«ÇÑ´Ù.

  * combining delta and edit: sccs deledit

	sccs deledit´Â edit´ÙÀ½¿¡ delta¸¦ ¼öÇàÇÑ´Ù.
	´ç½ÅÀº ¹öÁ¯À» °¡Á®¿À°í Áï½Ã ÆíÁýÀ» ¼öÇàÇϱâ À§ÇÏ¿© ÀÌ°ÍÀ» »ç¿ëÇÑ´Ù.

  * retrieving a version by SID: sccs get -r

	-r optionÀº °¡Á®¿À±â À§ÇÑ Æ¯Á¤ÇÑ ID¸¦ ÁöÁ¤Çϵµ·Ï ÇÑ´Ù.

	sparc% sccs get -r1.1 program.c
	1.1
	87 lines

  * retrieving a version by date and time: sccs get -c

	¾î¶² °æ¿ì¿¡ ¿øÇÏ´Â deltaÀÇ SID¸¦ ¾ËÁö ¸øÇÏ´Â °æ¿ì°¡ »ý±ä´Ù.
	±×·¯³ª ±×°ÍÀ» ±â·ÏÇÑ ³¯Â¥¸¦ ¾Ë°í ÀÖ´Ù¸é ´ÙÀ½ÀÇ date-time argument¿Í -c optionÀ¸·Î
	ÁÖ¾îÁø ³¯Â¥ ÀüÀÇ °¡Àå ÃÖ±ÙÀÇ ¹öÁ¯À» °¡Á®¿Ã ¼ö ÀÖ´Ù.
	
	-cyy[mm[dd[hh[mm[ss]]]]]

	¿¹·Î:

	sparc% sccs get -c880722120000 program.c
	1.2
	86 lines

	ÇöÀç ¹öÁ¯ÀÌ ¹«¾ùÀÌµç °£¿¡ July 22,1988 at 12:00 noonÀÇ °ÍÀ» °¡Á®¿Â´Ù.
	À§ÀÇ ¿¹´Â ´ÙÀ½°ú °°ÀÌ ¾µ ¼ö ÀÖ´Ù.

	sparc% sccs get -c"88/07/22 12:00:00" program.c

  * repairing a writable copy: sccs get -k -G

	»õ·Î¿î ¹öÁ¯À» ±â·ÏÇÏÁö ¾Ê°í sccs get -k -GfilenameÀº ¾µ ¼ö ÀÖ´Â »çº»À» °¡Á®¿À°í
	±×°ÍÀ» '-G'·Î ÁöÁ¤µÈ È­ÀÏ·Î ¹Ù²Û´Ù.
	ÀÌ°ÍÀº diff¿Í ¿¡µðÅÍ·Î ¼Õ»óµÈ working copy¸¦ º¹±¸Çϰųª ¹Ù²Ù±â¸¦ ¿øÇÒ¶§ À¯¿ëÇÏ´Ù.

 - Incorporating version dependent information: ID Keyword

	À§¿¡ ¾ð±ÞÇÑ °Í°ú °°ÀÌ SCCS´Â ID keyword¸¦ »ç¿ëÇÏ¿© check-in version¾È¿¡ ¹öÁ¯¿¡ µ¶¸³ÀûÀÎ
	Á¤º¸¸¦ Æ÷ÇÕÇϵµ·Ï ÇÑ´Ù.
	ÀÌ keyword´Â È­ÀϾȿ¡ »ðÀÔµÇ°í ´ç½ÅÀÇ º¯È­¸¦ ±â·ÏÇÒ¶§ ÀÚµ¿ÀûÀ¸·Î ´ëÀÀµÇ´Â Á¤º¸·Î ´ëüµÈ´Ù.
	SCCS ID keyword´Â ´ÙÀ½ÀÇ ÇüŸ¦ ÃëÇÑ´Ù.

	%C%

	¿©±â¼­ C´Â ´ë¹®ÀÚÀÌ´Ù.
	¿¹·Î,%I%´Â °¡Àå ÇöÀçÀÇ SID¸¦ ³ªÅ¸³½´Ù.
	%W%´Â È­ÀÏÀ̸§,SID,È­ÀϾȿ¡ ´ÜÀÏÇÑ ¹®ÀÚ @(#)¸¦ Æ÷ÇÔÇÑ´Ù.
	ÀÌ ¹®ÀÚ´Â ÅؽºÆ®¿Í ½ÇÇà È­ÀÏ µÑ´Ù¿¡¼­ what¸í·ÉÀÌ ÀÌ°ÍÀ» ã¾Æ¼­ º¸¿©ÁØ´Ù.
	(what¸í·ÉÀº È­ÀÏÀÇ ¼Ò½º ¹öÁ¯À̳ª ¾ðÁ¦ ¸¸µé¾î Á³´ÂÁö º¼ ¼ö ÀÖ´Ù)
	%G% keyword´Â °¡Àå ÃÖ±Ù deltaÀÇ ³¯Â¥¸¦ ³ªÅ¸³½´Ù.
	´Ù¸¥ keywordµé°ú ¹®ÀÚ´Â ÀÌÀåÀÇ ³¡¿¡ Reference Tables ¹Ø¿¡ Identification Keywords¿¡
	¸ð¾ÆÁ® ÀÖ´Ù.
	C program¾È¿¡ ¹öÁ¯¿¡ °ü°èµÈ Á¤º¸¸¦ Æ÷ÇÔÇϱâ À§ÇÏ¿© ÀÌ¿Í °°Àº ¶óÀÎÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù.

	static char SccsId[] = "%W%\t%G%";

	¸¸¾à program.cÀ̶ó´Â È­ÀÏÀÌ ÀÖ´Ù¸é ÀÌ ¶óÀÎÀº ¹öÁ¯ 1.2°¡ ºÒ·ÁÁú¶§ ´ÙÀ½°ú °°ÀÌ ³ªÅ¸³­´Ù.

	static char SccsId[] = "@(#)program.c 1.2 08/29/80";

	ÀÌ ¹®ÀÚ´Â ÄÄÆÄÀÏµÈ ÇÁ·Î±×·¥¾È¿¡ Á¤ÀÇ ÇÏ¿´±â ¶§¹®¿¡ ÀÌ°ÍÀº ÄÄÆÄÀÏµÈ ÇÁ·Î±×·¥ ³»¿¡ ¼Ò½º 
	È­ÀÏÀÇ Á¤º¸¸¦ Æ÷ÇÔÇÒ ¼ö ÀÖ°Ô ÇÑ´Ù.
	what¸í·ÉÀ¸·Î ÀÌ°ÍÀ» º¼ ¼ö ÀÖ´Ù.

	sparc% cd /usr/ucb
	sparc% what sccs
	sccs
		sccs.c 1.13 88/02/08 SMI

	shell script¿Í ±×¿Í À¯»çÇÑ °Í¿¡ ´ëÇؼ­µµ ÁÖ¼®³»¿¡ ID keyword¸¦ Æ÷ÇÔÇÒ ¼ö ÀÖ´Ù.

	# 	%W%	%G%
	.....

	È®ÀåµÈ(expanded) keyword¸¦ Æ÷ÇÔÇÑ ¹öÁ¯À» ±â·Ï ÇÑ´Ù¸é ¹öÁ¯¿¡ °ü°èµÈ Á¤º¸´Â ´õ ÀÌ»ó
	°»½ÅµÇÁö ¾Ê´Â´Ù.
	ÀÌ·± »óȲÀ» °æ°íÇϱâ À§ÇÏ¿© SCCS´Â ´ÙÀ½ÀÇ °æ°í¸¦ ÁØ´Ù.
	get,edit³ª create°¡ ID keyword°¡ ¾ø´Ù´Â °ÍÀ» ¹ß°ßÇÒ¶§ ¹ß»ýÇÑ´Ù.

	No Id Keywords (cm7)

 - Making Inquiries

	´ÙÀ½ÀÇ subcommand´Â È­ÀÏÀÇ »óųª history¿¡ °üÇÑ ÁúÀǸ¦ À§ÇØ À¯¿ëÇÏ´Ù.

  * seeing which version has been retrieved: the what command

	SCCS´Â È­ÀÏÀÇ history¾È¿¡ ¾î¶² ¹öÁ¯ÀÌµç °¡Á®¿À±â ¶§¹®¿¡ µð·ºÅ丮¾È¿¡ ³ªÅ¸³­ working 
	copy°¡ ¿øÇÏ´Â ¹öÁ¯À» ¹Ý¿µÇÏ´Â °ÍÀÎÁö º¸ÁõÇÏÁö ¸øÇÑ´Ù.
	what¸í·ÉÀº SCCS ID keyeord¸¦ ã´Â´Ù.
	ÀÌ°ÍÀº ¶ÇÇÑ ½ÇÇà È­ÀÏ¿¡¼­ keyeord¸¦ ã°í ÄÄÆÄÀÏ ÇÒ¶§ÀÇ ¼Ò½º ¹öÁ¯À» º¸¿©ÁØ´Ù.

	sparc% what program.c program
	program.c:
		program.c 1.1 88/07/05 SMI;
	program:
		program.c 1.1 88/07/05 SMI;

	ÀÌ·± °æ¿ì¿¡ ÀÌ È­ÀÏÀÇ working copyÀÇ ¹öÁ¯Àº 1.1ÀÌ´Ù.

  *  determine the most recent version: sccs get -g

	°¡Àå ÃÖ±ÙÀÇ deltaÀÇ SID¸¦ º¸±â À§ÇÏ¿© sccs get -g¸¦ »ç¿ëÇÑ´Ù.

	sparc% sccs get -g program.c
	1.2

	ÀÌ °æ¿ì´Â °¡Àå ÃÖ±ÙÀÇ delta´Â 1.2ÀÌ´Ù.
	ÀÌ°ÍÀº À§ÀÇ º¸±â¿¡¼­ what¿¡ ÀÇÇØ ¹Ý¿µµÈ °Íº¸´Ù ÃÖ±Ù ¹öÁ¯À̱⠶§¹®¿¡ ¾Æ¸¶ getÀº »õ
	¹öÁ¯À» ¿øÇÒ °ÍÀÌ´Ù.

  * determining who has a file checked out: sccs info

	ÆíÁýµÉ È­ÀÏÀÌ ¹«¾ùÀÎÁö ¹ß°ßÇϱâ À§ÇÏ¿© ´ÙÀ½°ú °°ÀÌ ÇÑ´Ù.

	sccs info

	ÀÌ subcommandÀº ÆíÁýµÉ ¸ðµç È­ÀÏÀÇ ¸ñ·ÏÀ» º¸¿©ÁØ´Ù.
	¾Æ¿ï·¯ ±× È­ÀÏÀ» ±â·ÏÇÑ »ç¿ëÀÚ¿Í °°Àº ´Ù¸¥ Á¤º¸µµ Æ÷ÇԵǾî ÀÖ´Ù.
	ºñ½ÁÇÏ°Ô ´ÙÀ½ÀÇ ¸í·Éµµ »ç¿ëÇÑ´Ù.

	sccs check

	¾î¶² °ÍÀÌ ÆíÁýµÇ¸é Á¶¿ëÈ÷ non-zero exit status°ªÀ» µ¹·ÁÁØ´Ù.
	ÀÌ°ÍÀº ¼Ò½º È­ÀÏÀÌ ±â·ÏÇÑ »óŸé make(1)°¡ ¸ØÃç Áöµµ·Ï makefile¾È¿¡ »ç¿ëµÉ ¼ö ÀÖ´Ù.
	¸¸¾à ´ç½ÅÀÌ °¡Á®¿Â ¸ðµç È­ÀϵéÀÌ ±â·ÏÇÒ Áغñ°¡ µÇ¾î ÀÖ´Ù´Â °ÍÀ» ¾È´Ù¸é ´ÙÀ½À» 
	»ç¿ë ÇÒ ¼ö ÀÖ´Ù.

	sccs delta `sccs tell -u`

	ÀÌ°ÍÀº ±×µé ¸ðµÎ¿¡ ÀÛµ¿ÇÑ´Ù.
	tellÀº ÇÑ ÁÙ¿¡ ÆíÁýµÇ¾îÁú È­ÀÏÀÇ À̸§¸¸ ³ªÅ¸³½´Ù.
	-u option°ú ÇÔ²² tellÀº ´ç½ÅÀÌ ±â·ÏÇÒ È­Àϵ鸸 ³ªÅ¸³½´Ù.
	¸¸¾à -uÀÇ argument·Î »ç¿ëÀÚ À̸§À» ÁÖ¸é sccs tellÀº ±× »ç¿ëÀÚ°¡ ±â·ÏÇÒ È­Àϵ鸸 
	³ªÅ¸³½´Ù.

  * Display delta comments: sccs prt

	sccs prt´Â delta table·Î ¾Ë·ÁÁø version log¸¦ º¸¿©ÁØ´Ù.
	ÀÌ°Í¿¡´Â SID,¸¸µé¾îÁø ½Ã°£°ú ³¯Â¥,°¢ ¹öÁ¯À» ±â·ÏÇÑ »ç¶÷ÀÇ À̸§,»ðÀԵǰí 
	Áö¿öÁö°í º¯ÇÏÁö ¾ÊÀº ÁÙÀÇ ¼ö,ÁÖ¼®µîÀÌ Æ÷ÇԵȴÙ.

	sparc% sccs prt program.c
	D 1.2 80/08/29 12:35:31		pers	2	1	00005/00003/00084
	corrected typo in widget(),
	null pointer in n_crunch()

	D 1.1 79/02/05 00:19:31		zeno	1	0	00087/00000/00000
	date and time created 80/06/10 00:19:31 by zeno

	´ÜÁö ÃÖ±ÙÀÇ °ÍÀ» º¸±â À§Çؼ­´Â -y optionÀ» »ç¿ëÇ϶ó.

  * updating a delta comment: sccs cdc

	¸¸¾à ÁÖ¼®¿¡ ¾î¶² Áß¿äÇÑ °ÍÀ» Æ÷ÇÔÇÏ´Â °ÍÀ» ÀØ¾î ¹ö·È´Ù¸é ´ÙÀ½À» »ç¿ëÇÏ¿© Á¤º¸¸¦
	Ãß°¡Èú ¼ö ÀÖ´Ù.

	sccs cdc -rsid

	delta´Â °¡Àå ÃÖ±ÙÀÇ °ÍÀÌ µÇ¾î¾ß¸¸ ÇÏ°í delta¸¦ °¡Á®¿Â »ç¶÷À̳ª ¾²±â Çã°¡°¡
	ÀÖ´Â »ç¶÷À̾î¾ß¸¸ ÇÑ´Ù.
	cdc¸¦ »ç¿ëÇÒ¶§ SCCS´Â ÁÖ¼®À» ³ÖÀ¸¶ó°í ÇÏ°í ±×°ÍÀ» ÁÖ¼®¿¡ ÷°¡ÇÑ´Ù.

	sparc% sccs cdc -r1.2 program.c
	comment? also taught get_in() to handle control chars

	»õ ÁÖ¼®À» prt·Î º¸¸é ´ÙÀ½°ú °°´Ù.

	sparc% sccs prt program.c
	D 1.2 80/08/29 12:35:31		pers	2	1	00005/00003/00084
        also taught get_in() to handle control chars
	*** CHANGED *** 88/08/02 14:54:45 pers
	corrected typo in widget(),
	null pointer in n_crunch()

	D 1.1 79/02/05 00:19:31		zeno	1	0	00087/00000/00000
	date and time created 80/06/10 00:19:31 by zeno

  * comparing cheched-in versions: sccs sccsdiff

	µÎ°³ÀÇ ±â·ÏÇÑ ¹öÁ¯(check-in version)À» ºñ±³Çϱâ À§ÇÏ¿© ´ÙÀ½À» »ç¿ëÇÑ´Ù.

	sparc% sccs sccsdiff -r1.1 -r1.2 program.c

	delta 1.1°ú 1.2»çÀÌÀÇ Â÷À̸¦ º¸±â À§ÇÏ¿© diffÀÇ ´ëºÎºÐÀÇ ¿É¼ÇÀÌ »ç¿ëµÈ´Ù.
	diffÀÇ -c ¿É¼ÇÀ» ºÎ¸£±â À§ÇÏ¿© 'sccsdiff'ÀÇ '-C' argument¸¦ »ç¿ëÇ϶ó.
	-r ´ë½Å¿¡ -cdate-timeÀ» sccsÀÇ ¿É¼ÇÀ¸·Î »ç¿ëÇÑ´Ù.

  * displaying the entire history: sccs get -m -p

	¸¸¾à ¸¸µé¾îÁø delta¿Í È­ÀÏÀÇ ¸ðµç º¯È­ÀÇ ¸ñ·ÏÀ» º¸±â À§ÇÏ¿© getÀÇ -m°ú -p
	¿É¼ÇÀ» »ç¿ë ÇÒ ¼ö ÀÖ´Ù.

	sparc% sccs get -m -p program.c
	1.2
	84 lines
	1.2	$define L_LEN 256
	1.1
	1.1	#include
	1.1
	......

	Ưº°ÇÑ delta¿¡ °ü°èµÈ ÁÙÀ» º¸±â À§ÇÏ¿© grep(1V)·Î Ãâ·ÂÀ» º¸³¾ ¼ö ÀÖ´Ù.

	sparc% sccs get -m -p program.c | grep '^1.2'

  * creating report: sccs prs -d

	SCCS controlÇÏ¿¡¼­ È­ÀÏ¿¡ °üÇÑ º¸°í¸¦ À̲ø¾î ³»±â À§ÇÏ¿© -ddataspec°ú ÇÔ²²
	prs subcommand¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù.
	datspecÀº historyÈ­ÀÏÀÇ ºÎºÐ¿¡ ´ëÀÀÇÑ ¸¹Àº i'datakeyword'¸¦ Á¦°øÇÑ´Ù.
	Data KeywordÀÇ ÇüÅ´ ´ÙÀ½°ú °°´Ù.

	:X:

	Data KeywordÀÇ ¸ñ·ÏÀº ÀÌÀå ³¡¿¡ Reference table¿¡ ¼³¸íÇÑ´Ù.
	data keyword°¡ dataspec argument¿¡ ³ªÅ¸³ª´Â ¼ö´Â Á¦ÇÑÀÌ ¾ø´Ù.
	ºÐ¸íÇÑ dataspec argument´Â data keyword¿Í ÅؽºÆ®·Î ±¸¼ºµÈ ¹®ÀÚÀÌ´Ù.
	prs´Â °¢ ÀÎ½ÄµÈ keyword¸¦ historyÈ­ÀÏ¿¡¼­ Àû´çÇÑ °ªÀ¸·Î ¹Ù²Û´Ù.
	data keywordÀÇ ÇüÅ´ °£´ÜÇÏ´Ù.
	ÀÌ°ÍÀº °£´ÜÇÑ ¹®ÀÚ³ª ¿©·¯ÁÙÀÌ µÉ ¼ö ÀÖ´Ù.
	tabÀº '\t'·Î,returnÀº '\n'À¸·Î ³ªÅ¸³½´Ù.
	¿©±â¿¡ ¿¹°¡ ÀÖ´Ù.

	sparc% sccs prs -d"Users and/or user IDs for :F: are:\n:UN:" program.c
	User and/or user ID for s.program.c are:
	zeno
	pers

	sparc% sccs prs -d"Newest delta for :M: :I:.  Created :D: by :P:." program.c
	Newest delta for program.c 1.3.  Created 88/07/22 by zeno

 - Deleting committed changes

  * replacing a delta: sccs fix
	delta´Â ÀÛÀº bug¸¦ Æ÷ÇÔÇÏ°í,typos¿Í °°ÀÌ,È­ÀÏÀÇ ÃßÀû(audit trail)ÀÇ ÈçÀû(entry)¸¦ 
	¿ä±¸ÇÏÁö ¾Ê°í ¼öÁ¤ÇÒ ÇÊ¿ä°¡ Àְųª deltaÀÇ ÁÖ¼®ÀÌ ºÒ¿ÏÀüÇϰųª ¿¡·¯°¡ ÀÖÀ» ¼ö ÀÖ´Ù.
	ÀÌ·± °æ¿ì¿¡ ´ç½ÅÀº ºÎ°¡ÀûÀÎ °»½ÅÀ» ÇÏ°í sccs fix¸¦ »ç¿ëÇÏ¿© version log¸¦ °¡Àå 
	ÃÖ±ÙÀÇ delta·Î ¹Ù²Ü ¼ö ÀÖ´Ù.

	sparc% sccs fix -r1.2 program.c

	ÀÌ°ÍÀº program.cÀÇ ¹öÁ¯ 1.2¸¦ ±â·ÏÇÑ´Ù.
	´ç½ÅÀÌ ÀÌ È­ÀÏÀ» ´Ù½Ã °¡Á®¿Ã¶§ ÇöÀçÀÇ º¯È­´ÂhistoryÈ­ÀÏÀÇ delta 1.2·Î ¹Ù²Ù°í
	SCCS´Â (»õ·Î¿î)ÁÖ¼®À» ¿ä±¸ÇÏ´Â ÇÁ·ÒÇÁÆ®¸¦ ³ªÅ¸³½´Ù.
	´ç½ÅÀº -r°ú ÇÔ²² SID¸¦ ½á¾ß¸¸ ÇÑ´Ù.
	¶ÇÇÑ ÁöÁ¤ÇÑ delta´Â leaf(most recent) deltaÀ̾î¾ß¸¸ ÇÑ´Ù.
	¾Õ¿¡ ±â·ÏÇÑ delta°¡ È¿°úÀûÀ¸·Î Áö¿öÁ³À½¿¡µµ ºÒ±¸ÇÏ°í SCCS´Â ±×°Í¿¡ ´ëÇÑ
	±â·ÏÀ» °¡Áø historyÈ­ÀÏ¿¡ Áö¿öÁ³´Ù°í Ç¥½ÃÇÑ´Ù.
	sccs fix¸¦ »ç¿ëÇϱâ Àü¿¡ ÇöÀç ¹öÁ¯ÀÇ º¹»çº»À» ¸¸µå´Â °ÍÀÌ ÁÁÀº »ý°¢ÀÌ´Ù.

  * removing a delta: sccs rmdel

	°¡Àå ÃÖ±Ù deltaÀÇ ÇàÀûÀ» ¸ðµÎ Áö¿ì±â À§ÇÏ¿© rmdelÀ̶ó´Â °ÍÀ» »ç¿ëÇÑ´Ù.
	´ç½ÅÀº -rÀ» »ç¿ëÇÏ¿© SID¸¦ ÁöÁ¤ÇÏ¿©¾ß¸¸ ÇÑ´Ù.
	´ëºÎºÐÀÇ °æ¿ì¿¡ fix°¡ rmdelÀ» »ç¿ëÇÏ´Â °Íº¸´Ù ÁÁ´Ù.
	¿Ö³ÄÇϸé fix´Â Áö¿øÁø deltaÀÇ ±â·ÏÀ» ³²±â³ª rmdelÀº ±×·¸Áö ¸øÇÏ´Ù.

  * reverting to an earlier version

	Ãʱ⠹öÁ¯ÀÇ ¾µ ¼ö ÀÖ´Â º¹»çº»(writable copy)À» °¡Á®¿À±â À§ÇÏ¿© 'get -k'¸¦ »ç¿ëÇÑ´Ù.
	ÀÌ°ÍÀº °ú°ÅÀÇ ¸î¸î delta¸¦ ÃßÀûÇÒ ÇÊ¿ä°¡ ÀÖÀ»¶§ Æí¸®ÇÏ´Ù.
	»õ·Î¿î °ÍÀ» ¸¸µå´Â ±âÃÊ·Î ÃʱâÀÇ delta¸¦ »ç¿ëÇÑ´Ù¸é:

	* ÀϹÝÀûÀ¸·Î ÇÏ´Â °Í°ú °°ÀÌ È­ÀÏÀ» ±â·ÏÇ϶ó.
	* ÃʱâÀÇ ÁÁÀº ¹öÁ¯ÀÇ ¾µ¼ö ÀÖ´Â º¹»çº»À» get -k¸¦ »ç¿ëÇÏ¿© °¡Á®¿À¶ó.

		sccs get -k -rsid -Goldname filename
	  -G¿É¼ÇÀº »õ·ÎÀÌ °¡Á®¿Ã ¹öÁ¯ÀÇ À̸§À» ³ªÅ¸³½´Ù.
	* ÇöÀçÀÇ ¹öÁ¯À» ±×ÀüÀÇ ÁÁÀº ¹öÁ¯À¸·Î ¹Ù²ã¶ó.

		mv oldname filename

	* ¸¶Áö¸·À¸·Î È­ÀÏÀ» ´Ù½Ã ±â·Ï(check in)Ç϶ó.
	  ¾î¶² °æ¿ì¿¡´Â ¾î¶² delta¸¦ Á¦¿Ü½ÃÅ°´Â °ÍÀÌ ´õ °£´ÜÇÏ´Ù.
	  ±×·¸Ä¡ ¾ÊÀ¸¸é,°»½ÅÇÑ È­ÀÏ·Î SCCS¸¦ »ç¿ëÇÏ¿© ºÐ±â(divergent)¸¦ ¸¸µå´Â
	  ¹æ¹ý¿¡ ´ëÇؼ­´Â ¾Æ·¡ÀÇ Branch Deltas¸¦ ÂüÁ¶Ç϶ó.
	
  * excluding deltas from a retrieved version

	delta 1.3¿¡¼­ ¸¸µé¾îÁø º¯È­¸¦ ´ÙÀ½ÀÇ 1.4¿¡¼­ Àû¿ëÇÒ ¼ö ¾ø´Ù°í °¡Á¤ÇÏÀÚ.
	´ç½ÅÀÌ ÆíÁýÇϱâ À§ÇÏ¿© È­ÀÏÀ» °¡Á®¿Ã¶§ working copy·ÎºÎÅÍ delta 1.3À» Á¦¿Ü 
	½ÃÅ°±â À§ÇÏ¿© -x¿É¼ÇÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù.

	sparc% sccs edit -x1.3 program.c

	Áö±Ý,´ç½ÅÀÌ delta 1.5¸¦ ±â·ÏÇÒ¶§ ±× delta´Â delta 1.4¿¡¼­ ¸¸µé¾îÁø
	º¯È­´Â Æ÷ÇÔÇϳª 1.3Àº Æ÷ÇÔÇÏÁö ¾Ê´Â´Ù.
	»ç½Ç -x¿¡ ÄÞ¸¶·Î ºÐ¸®ÇØ,deltaÀÇ ¸ñ·ÏÀ» Á¦¿ÜÇϰųª dash·Î ±¸ºÐÇØ deltaÀÇ ¹üÀ§¸¦
	Á¤ÇÒ ¼ö ÀÖ´Ù.
	¿¹·Î,¸¸¾à 1.3°ú 1.4¸¦ Á¦¿Ü ½ÃÅ°·Á¸é ´ÙÀ½°ú °°ÀÌ »ç¿ëÇÑ´Ù.

	sparc% sccs edit -x1.3,1.4 program.c

	ȤÀº

	sparc% sccs edit -x1.3-1.4 program.c

	ÀÌ ¿¹¿¡¼­

	sparc% sccs edit -x1.3-1 program.c

	À§´Â SCCS°¡ release 1¿¡¼­  1.3ºÎÅÍ °¡Àå ³ôÀº ÇöÀçÀÇ delta±îÁö Á¦¿ÜÇÑ´Ù.

  * combining versions: sccs comb

	comb¸í·ÉÀº ½ÇÇàÇÒ¶§ ¼±ÅÃµÈ deltaµéÀÌ °áÇյǰųª Á¦°ÅµÇ´Â °ÍÀ» ±â·ÏÇÏ´Â »õ·Î¿î
	historyÈ­ÀÏÀ» ¸¸µå´Â Bourne Shell script¸¦ ¸¸µç´Ù.
	ÀÌ°ÍÀº µð½ºÅ© °ø°£ÀÇ ¼ö¿ä°¡ ¸¹À»¶§ À¯¿ëÇÏ´Ù.

	°æ°í : ¸î¸î delta¸¦ °áÇÕÇϴµ¥ comb-generated script´Â ÁÖ¼®À» Æ÷ÇÔÇÑ È­ÀÏÀÇ 
		version log¸¦ Æı«ÇÑ´Ù.

	-pSID¿É¼ÇÀº ´Ù½Ã ¸¸µé¾î Áö±â À§ÇÏ¿© º¸Á¸µÉ °¡Àå ¿À·¡µÈ delta¸¦ °¡¸£Å²´Ù.
	¶Ç ´Ù¸¥ ¿É¼Ç

		-c sid-list

	À§´Â Æ÷Ç﵃ deltaÀÇ ¸ñ·ÏÀ» ÁöÁ¤ÇÑ´Ù.
	sid-list´Â ÄÞ¸¶·Î ºÐ¸®µÈ ¸ñ·Ï(list)ÀÌ´Ù.
	´ç½ÅÀº µÎ SID»çÀ̸¦ dash(-)·Î ¹üÀ§¸¦ ÁÙ ¼ö ÀÖ´Ù.
	-p¿Í -c´Â ÇÔ²² »ç¿ëÇÒ ¼ö ¾ø´Ù.
	-o¿É¼ÇÀº ´Ù½Ã ¸¸µå´Âµ¥ deltaÀÇ ¼ö¸¦ ÃÖ¼ÒÈ­ ÇÏ·Á°í ÇÑ´Ù.
	-s¿É¼ÇÀº ´Ù½Ã ¸¸µç °Í°ú ¿øº»°úÀÇ Å©±â¸¦ ºñ±³ÇÏ´Â script¸¦ ¼öÇàÇÑ´Ù.
	ÀÌ ºñ±³´Â °¢°¢ÀÇ ºí·°ÀÇ ¼ö¿¡ ±âÃÊÇÏ¿© ´Ù½Ã ¸¸µç °ÍÀÌ Â÷ÁöÇÏ´Â ¿øº»ÀÇ ÆÛ¼¾Æ®·Î
	ÁÖ¾îÁø´Ù.
	¸¸¾à ¿É¼ÇÀÌ ¾øÀ¸¸é comb´Â ¸¸µé¾îÁø º¯È­¸¦ °£Á÷Çϴµ¥ ÇÊ¿äÇÑ ÃÖ¼ÒÇÑÀÇ Á¶»ó
	(ancestor)À» °£Á÷ÇÑ´Ù.

1.3 Version control for binary files

	SCCS°¡ ÀüÇüÀûÀ¸·Î ASCII text¸¦ Æ÷ÇÔÇÑ ¼Ò½º È­ÀÏ¿¡ »ç¿ëÇÏÁö¸¸ SCCSÀÇ SunOS versionÀº
	binaryÈ­ÀÏÀÇ ¹öÁ¯µµ ¶ÇÇÑ Àû¿ëÇÑ´Ù.(NEWLINEÀ¸·Î ³¡³ªÁö ¾Ê°Å³ª control±ÛÀÚ³ª NULLÀ»
	Æ÷ÇÔÇÏ´Â È­Àϵé)
	ÀÌ binaryÈ­ÀÏÀº ±â·ÏÇÒ¶§ ACIIÀÇ ÇüÅ·ΠÄÚµåÈ­(encode) µÈ´Ù.
	working copyµéÀº °¡Á®¿Ã¶§ ´Ù½Ã º¹±¸(decode)ÇÑ´Ù.
	´ç½ÅÀº icons,raster images,screen font°°Àº È­ÀÏÀÇ º¯È­µµ ÃßÀûÇϱâ À§ÇÏ¿© SCCS¸¦
	»ç¿ëÇÑ´Ù.
	´ç½ÅÀº  binaryÈ­ÀÏÀ» È­ÀÏ·Î Ãë±ÞÇϱâ À§ÇÏ¿© sccs create -b¸¦ »ç¿ëÇÑ´Ù.
	delta³ª create¸¦  binaryÈ­ÀÏ¿¡ »ç¿ëÇÒ¶§ ´ÙÀ½ÀÇ ¸Þ¼¼Áö¸¦ °®´Â´Ù.

	Not a text file (ad31)

	¶ÇÇÑ ´ÙÀ½ÀÇ ¸Þ¼¼Áö¸¦ °¡Áú ¼ö ÀÖ´Ù.

	No id keywords (cm7)

	ÀÌ ¸Þ¼¼Áö´Â ¹«½ÃÇصµ »ó°ü¾ø´Ù.
	
	sparc% sccs create special.font

	special.font:
	Not a text file (ad31)
	No id keywords (cm7)
	1.1
	20 lines
	No id keyword (cm7)

	sparc% sccs get special.font
	1.1
	20 lines
	
	sparc% file special.font SCCS/s.special.font
	special.font:	 vfont definition
	SCCS/s.special.font:	SCCS

 	ÄÚµåÈ­µÈ binaryÈ­ÀÏÀº ¹öÁ¯ »çÀÌ¿¡ ¸¹ÀÌ º¯ÇÒ ¼ö Àֱ⠶§¹®¿¡ binary¼Ò½º¿¡ ´ëÇÑ
	historyÈ­ÀÏÀº ASCII¼Ò½º¿¡ ºñÇØ ¸Å¿ì ºü¸£°Ô Ä¿Áú ¼ö ÀÖ´Ù.
	±×·¯³ª ¸ðµç ¼Ò½º È­ÀÏ¿¡ ´ëÇÑ °°Àº version control systemÀ» »ç¿ëÇÏ´Â °ÍÀº 
	±×µéÀ» ´Ù·ç´Âµ¥ ´õ ½±´Ù.

4.4 Maintaining source directories

	SCCS¸¦ »ç¿ëÇÒ¶§ ½ÇÁ¦ ¼Ò½º È­ÀÏÀº working fileÀÌ ¾Æ´Ï¶ó history fileÀÌ´Ù.

  * duplicate source directories

	¸¸¾à ÇÁ·ÎÁ§Æ®·Î ÀÏÇϸ鼭 °³ÀÎÀûÀÎ ½ÃÇè°ú debuggingÀ» À§ÇÑ Áߺ¹µÈ ¼Ò½º¸¦ °®±â
	¿øÇÑ´Ù¸é °³°³ÀÇ ÀÏÇÏ´Â µð·ºÅ丮¸¦ SCCS subdirectory¿¡ symbolic linkÀ» ÇÒ ¼ö
	ÀÖ´Ù.

	sparc% cd /private/working/cmd.dir
	sparc% ln -s /usr/src/cmd/SCCS SCCS

	ÀÌ°ÍÀº working copyÀÇ °³ÀÎÀûÀÎ °ÍÀ» °¡Á®¿À´Â °£´ÜÇÑ ¹æ¹ýÀÌ°í ´ÙÀ½À» »ç¿ëÇÑ´Ù.

	sccs get SCCS

	±× µð·ºÅ丮¿¡¼­ ÀÏÇÏ´Â µ¿¾È ¿ø·¡ µð·ºÅ丮¿¡¼­ ÀÏÇÏ´Â °Í°ú °°ÀÌ °¡Á®¿À°í
	ÇÏ°í ±â·Ï ÇÒ ¼ö ÀÖ´Ù.

  * SCCS and make

	SCCS´Â Á¾Á¾ software project¸¦ ¼öÇàÇϱâ À§ÇÏ¿© make(1)¿Í ÇÔ²² »ç¿ëµÈ´Ù.
	makeÀÇ SunOS versionÀº ¼Ò½º È­ÀÏÀ» ÀÚµ¿À¸·Î °¡Á®¿Àµµ·Ï ÇÑ´Ù.
	(´Ù¸¥ ¹öÁ¯Àº °°Àº ÀÏÀ» ¼öÇàÇϱâ À§ÇÏ¿© Ưº°ÇÑ ¹ýÄ¢À» Á¦°øÇÑ´Ù.)
	ÀÌ°ÍÀº ¶ÇÇÑ ¸ðµç ¼Ò½º È­ÀÏÀÇ Ãʱ⠹öÁ¯À» °¡Á®¿Ã ¼ö ÀÖ°í ÇÁ·ÎÁ§Æ®ÀÇ Ãʱ⠹öÁ¯À»
	´Ù½Ã ¸¸µé±â À§ÇÏ¿© make¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù.

	sparc% mkdir old.release ; cd old.release
	sparc% ln -s ../SCCS SCCS
	sparc% sccs get -c"87/10/01" SCCS
	SCCS/s.Makefile
	1.3
	47 lines
	.....
	sparc% make
	....

	ÀϹÝÀûÀ¸·Î ¸¸µé°í ÀÖ´Â µ¿¾ÈÀº ¼Ò½º È­ÀÏÀ» ¾î´À ´©±¸µµ °¡Á® ¿Ã ¼ö ¾ø´Ù.
	
  * keeping SIDs consistent across files

	¾î¶² °æ¿ì¿¡ ¿©·¯°³·Î ±¸¼ºµÈ ¼Ò½º¿¡¼­ SIDµéÀ» ÀÏÁ¤ÇÏ°Ô À¯ÁöÇÏ´Â °ÍÀÌ °¡´ÉÇÏ´Ù.
	¿©±â¿¡ ±â¼úÀº Çѹø¿¡ ¸ðµç È­ÀÏÀ» editÇÏ´Â °ÍÀÌ´Ù.
	È­ÀÏÀÌ ÇÊ¿äÇÒ¶§¸¶´Ù °íÄ¥ ¼ö ÀÖ°í ¸ðµç È­ÀÏÀ» ±â·ÏÇÑ´Ù.
	ÀÌ°ÍÀº È­ÀÏ À̸§¸¦ argument·Î SCCS subdirectory¸¦ ÁöÁ¤ÇÔÀ¸·Î ½±°Ô ÇÒ ¼ö ÀÖ´Ù.

	sparc% sccs edit SCCS
	....
	sparc% sccs delta SCCS

	delta subcommand¿Í ÇÔ²² ´ÜÁö Çѹø ÁÖ¼®À» ³Öµµ·Ï ÇÁ·ÒÇÁÆ®¸¦ º¸³½´Ù.
	ÁÖ¼®Àº ±âÀÔÇÑ ¸ðµç È­ÀÏ¿¡ Àû¿ëµÈ´Ù.
	¾î¶² È­ÀÏÀÌ ¹ö²ð °ÍÀÎÁö °áÁ¤Çϱâ À§ÇÏ¿© °¢°¢ È­ÀÏÀÇ delta table¿¡ "lines added
	,deleted,unchanged"ºÎºÐÀ» ºñ±³ÇÒ ¼ö ÀÖ´Ù.

  * starting a new release

	ÇÁ·Î±×·¥ÀÇ »õ·Î¿î release¸¦ ¸¸µé±â À§ÇÏ¿© editÀÇ -rn¿É¼ÇÀ» »ç¿ëÇÏ¿© ÆíÁýÇϱâ
	À§ÇÏ¿© È®ÀÎÇÒ¶§ ¸¸µé±â ¿øÇÏ´Â release number¸¦ ÁöÁ¤ÇÑ´Ù.

	sparc% sccs edit -r2 program.c

	ÀÌ·± °æ¿ì¿¡ SID2.1À» °®´Â release 2ÀÇ Ã³À½ level delta°¡ µÉ °ÍÀÌ´Ù.
	ÀÌ µð·ºÅ丮ÀÇ ¸ðµç SCCS-fileÀÇ release number¸¦ ¹Ù²Ù±â À§ÇÏ¿©

	sparc% sccs edit -r2 SCCS

  * temporary files used by SCCS

	SCCS°¡ s.file(Áï,histroty file)À» ¼öÁ¤ÇßÀ»¶§ ÀÌ°ÍÀº x.fileºÒ¸®¿ì´Â Àӽà º¹»çº»¿¡
	¾¸À¸·Î ¼öÇàÇÑ´Ù.
	°»½ÅÀÌ ³¡³µÀ»¶§ SCCS´Â ÀüÀÇ s.fileÀ» x.file·Î ´Ù½Ã ¾´´Ù(overwrite).
	ÀÌ°ÍÀº history fileÀÌ °úÁ¤ÀÌ Á¤»óÀûÀ¸·Î ³¡³µÀ»¶§ ¼Õ»óÀ» ÀÔÁö ¾Êµµ·Ï ÇÑ´Ù.
	x.fileÀº history file·Î °°Àº µð·ºÅ丮¿¡ ¸¸µé¾î Áö°í °°Àº Çã°¡¸¦ ÁÖ°í effective
	user¿¡ ÀÇÇØ ¼ÒÀ¯µÈ´Ù
	SCCS fileÀÌ µ¿½Ã¿¡ °»½ÅµÇÁö ¾Ê°Ô Çϱâ À§ÇÏ¿© history¸¦ °»½ÅÇÏ´Â subcommand´Â 
	z.fileÀ̶ó´Â lock fileÀ» ¸¸µé°í °»½ÅÀ» ¼öÇàÇÏ´Â ÇÁ·Î¼¼¼­ÀÇ PID¸¦ Æ÷ÇÔÇÑ´Ù.
	°»½ÅÀÌ ³¡³ª¸é z.file´Â Á¦°ÅµÈ´Ù.
	z.fileÀº SCCS file¸¦ Æ÷ÇÔÇÏ´Â µð·ºÅ丮¿¡ mode 444(read-only)·Î ¸¸µé¾î Áö°í
	effective user¿¡ ÀÇÇØ ¼ÒÀ¯µÈ´Ù.

1.5 Branches

	´ç½ÅÀº SCCSÈ­ÀÏ¿¡ Àû¿ëÇÑ delta¸¦ Æ®¸®ÀÇ node·Î »ý°¢ ÇÒ ¼ö ÀÖ´Ù.
	root´Â È­ÀÏÀÇ Ãʱ⠹öÁ¯À̶ó°í »ý°¢ ÇÒ ¼ö ÀÖ´Ù.
	root delta(node)´Â ±âº»À¸·Î '1.1'ÀÌ°í ÀڽĵéÀº '1.2','1,3'µîµîÀ¸·Î ¸Å±ä´Ù.
	Ãʱ⿡ ¾ð±ÞÇÑ °Í°ú °°ÀÌ SIDÀÇ Ã³À½ µÎ ºÎºÐÀº release¿Í level numberÀÌ´Ù.
	deltaÀÇ ÀڽĵéÀÇ À̸§Àº level number¸¦ Áõ°¡½ÃŲ´Ù.
	´ç½ÅÀº ¶ÇÇÑ ±× È­ÀÏ¿¡ Áß¿äÇÑ ºÎºÐÀ» °íÄ¥¶§ »õ·Î¿î release·Î ±â·Ï ÇÏ´Â ¹ýÀ» 
	º¸°Ô µÉ °ÍÀÌ´Ù.
	»õ·Î¿î release number´Â ¾ÕÀÇ releaseÀÇ »õ·Î¿î levelÀ» ÁöÁ¤ÇÏÁö ¾Ê´Â´Ù¸é 
	¸ðµç ÀÚ½Ä delta¿¡ Àû¿ëµÈ´Ù.
	±×·¡¼­ ƯÁ¤ÇÑ È­ÀÏÀÇ Àü°³´Â ´ÙÀ½°ú °°ÀÌ ³ªÅ¸³¾ ¼ö ÀÖ´Ù.

	s.file					file
	+------+					+-------+
	|      |                                        | 1.1   |
	|      |                                     +------+   |
	|      |                                     | 1.2  |   |
	|      |                                  +------+  |   |
	|      |                                  |  1.3 |  |---+ 
	+------+                                  |      |--+
                                               +------+  |
                                               | 1.4  |--+
			     +-------+	       |      |
			     | 2.1   | <----   |      |
                             |       |         +------+
			     |       |
			     +-------+

	¿ì¸®´Â ÀÌ ±¸Á¶¸¦ SCCS delta treeÀÇ 'trunk'¶ó°í ºÎ¸¥´Ù.
	ÀÌ°ÍÀº SCCS fileÀÇ ÀϹÝÀûÀÎ ¹ßÀüÀ» Ç¥½ÃÇÑ´Ù.
	º¯È­´Â ¸ðµç ¾ÕÀÇ delta¿¡ ÀÇÁ¸ÇÑ ºÎºÐÀÌ´Ù.
	±×·¯³ª Æ®¸®ÀÇ ¶Ç ´Ù¸¥ °¡Áö¸¦ ¸¸µå´Â °ÍÀÌ Æí¸®ÇÑ »óȲÀÌ ¹ß»ýÇÑ´Ù.
	¿¹·Î ¹öÁ¯ 1.3À» »ç¿ëÇÏ¿© ¸¸µå´Â ÇÁ·Î±×·¥°ú ÀÌ¹Ì release 2¸¦ »ç¿ëÇÏ¿© ¹ßÀü
	½ÃÅ°´Â °æ¿ì¸¦ »ý°¢Çغ¸ÀÚ.
	±×·¡¼­ release 2´Â ÀÌ¹Ì ¾î¶² delta¸¦ °®´Â´Ù.
	»ç¿ëÀÚ°¡ ¹öÁ¯ 1.3¿¡ ¹®Á¦¸¦ º¸°íÇÏ¿© release 2°¡ °íÃÄÁú¶§±îÁö ±â´Ù¸± ¼ö 
	¾ø´Ù°í °¡Á¤ÇÏÀÚ.
	ÀÌ ¹®Á¦¸¦ °íÄ¡´Âµ¥ ÇÊ¿äÇÑ º¯È­´Â ¹öÁ¯ 1.3ÀÇ delta¿¡ Àû¿ëµÇ¾ß¸¸ ÇÒ °ÍÀÌ´Ù.
	ÀÌ°ÍÀº »õ ¹öÁ¯À» ¸¸µé °ÍÀ» ¿ä±¸Çϳª release 2¿Í µ¶¸³ÀûÀ¸·Î ¼öÇàµÇ¾î Áø´Ù.
	ÀÌ »õ delta´Â Æ®¸®ÀÇ »õ °¡Áö·Î ³ëµå(node)¸¦ Çü¼ºÇÑ´Ù.
	ÀÌ °¡ÁödeltaÀÇ SID´Â ¼¼°³ÀÇ ºÎºÐÀ¸·Î ±¸¼ºµÈ´Ù: release,level number¿Í
	branch¿Í sequence number

	release.level.branch.sequence

	°¢ °¡Áö(branch)¿¡ ÇÒ´çµÈ °¡Áö ¹øÈ£(branch number)´Â Ưº°ÇÑ trunk deltaÀÇ 
	ÀÚ½ÄÀÌ´Ù.
	óÀ½ °¡Áö(branch)´Â 1,±× ´ÙÀ½Àº 2 µîµî....
	sequence number´Â ¼ø¼­´ë·Î ƯÁ¤ °¡Áö(branch)ÀÇ °¢ delta¿¡ ÇÒ´çµÈ´Ù.
	±×·¡¼­ 1.3.1.1Àº ¾Æ·¡ º»°Í°ú °°ÀÌ delta 1.3,ù branchÀÇ Ã¹¹ø° delta¸¦
	³ªÅ¸³½´Ù.

	s.file					file
	+------+					+-------+
	|      |                                        | 1.1   |
	|      |                                     +------+   |
	|      |                                     | 1.2  |   |
	|      |                                  +------+  |   |
	|      |                                  |  1.3 |  |---+ 
	+------+                                  |      |--+
                                               +--|      |---------->+-------+
                                               |  +------+           |1.3.1.1|
			     +-------+	       |  1.4 |              |       |
			     | 2.1   | <----   |      |              |       |
                             |       |         +------+              +-------+
			     |       |
			     +-------+

	°¡Áö(branch)ÀÇ °³³äÀº Æ®¸®ÀÇ ¾î¶² delta¿¡µµ È®ÀåµÉ ¼ö ÀÖ´Ù.
	°á°úÀÇ À̸§ ±Ô¾àÀº ¾ÕÀÇ ¼³¸íÇÑ ¹æ¹ý°ú ¶È °°´Ù.
	°¡Áö(branch) deltaÀÇ À̸§ÀÇ Ã³À½ µÎ°¡Áö ¿ä¼Ò´Â Á¶»ó trunk deltaÀÇ °ÍÀÌ´Ù.
	branch component´Â trunkÀÇ À§Ä¡¿¡ °ü°è¾øÀÌ branch¸¦ ¸¸µé±â À§ÇÏ¿© ÇÒ´çÇÑ´Ù.
	±×·¡¼­ branch delta´Â Ç×»ó ±×°ÍÀÇ À̸§°ú °°Àº °ÍÀ¸·Î ±¸ºÐÇÏ°í ¹Ý¸é¿¡ trunk
	delta´Â branch deltaÀÇ À̸§À¸·Î ±¸ºÐÇÑ´Ù.
	trunk delta¿¡¼­ branch delta±îÁö À̾îÁö´Â Àüü path¸¦ °áÁ¤ÇÏ´Â °ÍÀº ºÒ°¡´É
	ÇÏ´Ù.
	¿¹·Î,¸¸¾à delta 1.3ÀÌ ±×°ÍÀ¸·ÎºÎÅÍ ÆÛÁ®³ª¿Â ÇϳªÀÇ °¡Áö°¡ ÀÖ´Ù¸é ±× °¡ÁöÀÇ
	¸ðµç delta´Â '1.3.1.n'À̶ó°í ÇÑ´Ù.
	¸¸¾à ÀÌ °¡Áö¿¡¼­ delta°¡ ¶Ç ´Ù¸¥ °¡Áö¸¦ °®´Â´Ù¸é »õ °¡ÁöÀÇ ¸ðµçdelta´Â 
	'1.3.2.n'À̶ó´Â À̸§À» °®´Â´Ù.
	delta 1.3.2.2¶ó´Â À̸§¿¡¼­ ¿À´Â À¯ÀÏÇÑ Á¤º¸´Â Á¶»óÀÌ delta 1.3ÀÎ µÎ¹ø° 
	°¡ÁöÀÇ µÎ¹ø° delta¶ó´Â °ÍÀÌ´Ù.
	ƯÈ÷ ±×°Í°ú ±×°ÍÀÇ trunk ancestor(1.3)»çÀÌÀÇ ¸ðµç delta¸¦ delta 1.3.2.2ÀÇ
	À̸§À¸·Î °áÁ¤ÇÏ´Â °ÍÀº ºÒ°¡´ÉÇÏ´Ù.

	s.file					file
	+------+					+-------+
	|      |                                        | 1.1   |
	|      |                                     +------+   |
	|      |                                     | 1.2  |   |
	|      |                                  +------+  |   |
	|      |                                  |  1.3 |  |---+ 
	+------+                                  |      |--+
                                               +--|      |----->  +-------+
                                               |  +------+        |1.3.1.1|
			     +-------+	       |  1.4 |           |       |
			     | 2.1   | <----   |      |           | +-------+ 
                             |       |         +------+           +-|1.3.1.2|
	                  +-------+  |                              |       |
	                  | 2.2   |                                 |       |
		          |       |                                 +-------+
                          |       |                                    |
			  +-------+                 +-------+ <---------
                                                    |1.3.2.1|
                                                    |       |
						+-------+   |
              					|1.3.2.2|---+
						|       |
						|       |
						+-------+

	branch delta´Â ÀÓÀÇ·Î º¹ÀâÇÑ Æ®¸® ±¸Á¶¸¦ ¸¸µç´Ù.
	°¡ÁöÀÇ »ç¿ëÀ» ÃÖ¼ÒÈ­ÇÏ´Â °ÍÀÌ °¡Àå ÁÁÀº ÀÏÀÌ´Ù.

 - Using branch

	bug fix¿Í °°Àº ¿©·¯°³·Î ´Ù¸¥ ¹öÁ¯À» ¸¸µé ÇÊ¿ä°¡ ÀÖÀ»¶§ °¡Áö(branch)¸¦ 
	»ç¿ëÇÑ´Ù.
	°¡Áö¸¦ ¸¸µé±â Àü¿¡ sccs adminÀ» »ç¿ëÇÏ¿© historyÈ­ÀÏ¿¡ 'branch' flag¸¦
	ÇÒ ¼ö ÀÖ¾î¾ß¸¸ ÇÑ´Ù.
	ÀÌ°ÍÀº ´ÙÀ½°ú °°ÀÌ ÇÑ´Ù.

	soarc% sccs admin -fb program.c

	-fb¿É¼ÇÀº historyÈ­ÀÏ¿¡ b(branch) flag¸¦ ¼³Á¤ÇÑ´Ù.

  * creating a branch delta

	program.c¿¡ ´ëÇÑ delta 1.3¿¡¼­ °¡Áö¸¦ ¸¸µé±â À§ÇÏ¿© ¾Æ·¡¿Í °°Àº sccs edit¸¦
	»ç¿ëÇÑ´Ù.

	sparc% sccs edit -r1.3 -b program.c

	ÆíÁýÇÒ ¹öÁ¯À» ±â·ÏÇÒ¶§ branch delta´Â SID 1.3.1.1ÀÌ µÉ °ÍÀÌ´Ù.
	±× ´ÙÀ½ delta´Â 1.3.1.2 µîµîÀÌ µÈ´Ù.

  * retrieving versions from branch deltas

	branch delta´Â Á¾Á¾ getÀ¸·Î °¡Á®¿À´Â ¹öÁ¯À» Æ÷ÇÔÇÏÁö ¾Ê´Â´Ù.
	branch versionÀ» °¡Á®¿À±â À§ÇÏ¿© Ưº°È÷ -r¿É¼ÇÀ» ±×°Í¿¡ ¿äûÇؾ߸¸ ÇÑ´Ù.
	¸¸¾à ´ÙÀ½ º¸±â¿Í °°ÀÌ sequence number¸¦ »ý·«ÇÑ´Ù¸é SCCS´Â °¡ÁöÁß °¡Àå 
	³ôÀº delta¸¦ °¡Á®¿Â´Ù.

	sparc% sccs get -r1.3.1 program.c

1.6 Administering SCCS files

	±Ô¾à¿¡ ÀÇÇØ historyÈ­ÀÏ°ú Àӽà ȭÀÏÀº SCCS µð·ºÅ丮¿¡ À§Ä¡ÇÑ´Ù.
	±âº» È­ÀÏ protection mechanism¿¡ ÷°¡ÇÏ¿© ¾î¶² release´Â Ç®¾îÁÖ°í ¾î¶² 
	»ç¿ëÀÚ¿¡°Ô´Â Á¦ÇÑÇÒ ¼ö ÀÖ´Ù.(sccs-admin ÂüÁ¶)
	ÀϹÝÀûÀ¸·Î historyÈ­ÀÏÀº SCCS ÀÌ¿ÜÀÇ ´Ù¸¥ À¯Æ¿¸®Æ¼¿¡ ÀÇÇØ ¼öÁ¤µÇÁö
	¾Êµµ·Ï 444(¸ðµç »ç¶÷¿¡°Ô read-only)·Î µÇÀÖ´Ù.
	ÀϹÝÀûÀ¸·Î historyÈ­ÀÏÀ» ÆíÁýÇÏ´Â °ÍÀº ÁÁÁö ¾Ê´Ù.
	historyÈ­ÀÏÀº ²À ÇϳªÀÇ link¸¦ °®´Â´Ù.
	SCCS À¯Æ¿¸®Æ¼´Â ¼öÁ¤µÉ º¹»çº»(x.file)À» ¾¸À¸·Î historyÈ­ÀÏÀ» °»½ÅÇÑ´Ù.

 - interpreting error messages: sccs help

	help´Â SCCS ¿¡·¯ ¸Þ¼¼Áö¿Í À¯Æ¿¸®Æ¼¿¡ °üÇÑ Á¤º¸¸¦ º¸¿©ÁØ´Ù.
	ÀϹÝÀûÀ¸·Î help´Â SCCS À¯Æ¿¸®Æ¼ÀÇ À̸§À̳ª SCCS ¿¡·¯ ¸Þ¼¼ÁöÀÇ Äڵ带
	¹Þ´Â´Ù.
	argument°¡ ¾ø´Ù¸é help´Â Çϳª¸¦ ³Öµµ·Ï ÇÁ·ÒÇÁÆ®¸¦ º¸³½´Ù.
	/usr/lib/help´Â help°¡ º¸¿©ÁÖ´Â °¢Á¾ ¸Þ¼¼ÁöÀÇ ÅؽºÆ®¸¦ Æ÷ÇÔÇÑ´Ù.

 - altering history file defaults: sccs admin

	admin¸í·ÉÀ» »ç¿ëÇϴµ¥ ¼³Á¤ÇÒ ¼ö ÀÖ´Â ¸î°³ÀÇ ÆĶó¸ÞÅÍ°¡ ÀÖ´Ù.
	ÀÌ°ÍÁß Èï¹Ì·Î¿î °ÍÀº ÇÁ·¡±×(flag)ÀÌ´Ù.
	ÇÁ·¡±×´Â -f¿É¼ÇÀ» »ç¿ëÇÏ¿© ÷°¡ÇÒ ¼ö ÀÖ´Ù.
	¿¹·Î

	sparc% sccs admin -fd1 program.c

	'd'flagÀÇ °ªÀ» 1·Î ¼³Á¤ÇÑ´Ù.
	ÀÌ ÇÁ·¡±×´Â ´ÙÀ½°ú °°ÀÌ Áö¿ï ¼ö ÀÖ´Ù.

	sparc% sccs admin -dd program.c

	°¡Àå Àß »ç¿ëÇÏ´Â ÇÁ·¡±×´Â ´ÙÀ½°ú °°´Ù.

	b	sccs editÀÇ -b¿É¼ÇÀ» »ç¿ëÇÏ¿© °¡Áö¸¦ ¸¸µé ¼ö ÀÖ´Ù.
	dSID 	sccs get°ú sccs edit¸¦ »ç¿ëÇÏ´Â ±âº» SID.
		ÀÌ°ÍÀÌ release number¶ó¸é ´ÜÁö ƯÁ¤ÇÑ releaseÀÇ ¹öÁ¯À» Æ÷ÇÔÇÑ´Ù.
	i	È­ÀÏ¿¡ ID keyword°¡ ¾ø´Ù¸é fatal error¸¦ ÁØ´Ù.
		ÀÌ°ÍÀº ID keyword°¡ ½Ç¼ö¿¡ ÀÇÇØ ÀÒ¾î¹ö¸®°Å³ª Àü°³ µÇ¾úÀ»¶§ ¹öÁ¯ÀÌ
		±â·ÏµÇÁö ¾Êµµ·Ï ÇÑ´Ù.
	y	ÀÌ ÇÁ·¡±×ÀÇ °ªÀ» %Y% ID keyword·Î ¹Ù²Û´Ù.
	-tfile 	file·ÎºÎÅÍ s.file¿¡ ¼³¸í¹®À» ÀúÀåÇÑ´Ù.
		ÀÌ ¼³¸í¹®Àº document³ª design À̳ª implementation document°¡ µÉ ¼ö 
		ÀÖ´Ù.
		-t¿É¼ÇÀ» »ç¿ëÇϸé s.fileÀÌ ´Ù¸¥ »ç¶÷¿¡°Ô º¸³»Áö¸é documentµµ °°ÀÌ
		µû¶ó °¡µµ·Ï ÇÑ´Ù.
		¸¸¾à fileÀÌ »ý·«µÇ¸é ¼³¸í¹®Àº Á¦°ÅµÈ´Ù.
		¼³¸í¹®À» º¸±âÀ§ÇØ prt -t¸¦ »ç¿ëÇÑ´Ù.

 - validating the history file

	historyÈ­ÀÏÀ» È®ÀÎÇϱâ À§ÇÏ¿© val¸í·ÉÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù.
	val´Â Ç×»ó ´ÙÀ½ÀÇ Á¶°Ç¿¡¼­ ½ÃÇèÇÑ´Ù.

	* ºØ±«µÈ(corrupted) history file
	* history fileÀÌ Àбâ À§ÇØ ¿­¸± ¼ö ¾ø°Å³ª È­ÀÏÀÌ SCCS history°¡ ¾Æ´Ï´Ù.

	¸¸¾à -r¿É¼ÇÀ» »ç¿ëÇϸé val´Â ÁöÀûÇÑ SID°¡ ÀÖ´ÂÁö¸¦ ½ÃÇèÇÑ´Ù.

 - restoring the history file

	Ưº°È÷ ³ª»Û ȯ°æ¿¡¼­ historyÈ­ÀÏ ±× ÀÚü°¡ ¸Á°¡ Áú ¼ö ÀÖ´Ù.
	ÀÌ·± ÀÏÀÌ ¹ß»ýÇÏ´Â ´ëºÎºÐÀÇ ÀÌÀ¯´Â ¾î¶² »ç¶÷ÀÌ ±×°ÍÀ» ÆíÁýÇÒ¶§ÀÌ´Ù.
	ÀÌ È­ÀÏÀÌ checksumÀ» °¡Áö°í Àֱ⠶§¹®¿¡ ÀÌ ºØ±«µÈ È­ÀÏÀ» ÀÐÀ»¶§¸¶´Ù
	¿¡·¯¸¦ °®À» °ÍÀÌ´Ù.
	checksumÀ» ¿Ã¹Ù·Î Çϱâ À§ÇÏ¿© ´ÙÀ½À» »ç¿ëÇÑ´Ù.

	sparc% sccs admin -z program.c

	°æ°í: SCCS°¡ historyÈ­ÀÏÀÌ ¸Á°¡ Á³´Ù°í ÇÒ¶§ ºÎÁ¤È®ÇÑ checksum¿¡ ½É°¢ÇÑ ¼Õ»óÀ»
	     °¡¸£Å²´Ù.
	     historyÈ­ÀÏÀ» ±³Á¤Çϱâ Àü¿¡ ÇöÀçÀÇ º¯È­¸¦ ¾ÈÀüÇÏ°Ô Çϵµ·Ï Á¶½ÉÇ϶ó.

1.7 Reference table

	table 1-1 SCCS IF keyword
	------------------------------------------------------------------------
	Keyword				Expands to
	------------------------------------------------------------------------
	%Z%		@(#)(search string for the what command)
	%M%		the current module(file) name
	%I%		the highest SID spplied
	%W%		shorthand for: %Z%%M% tab %I%
	%G%		the date of the delta corresponding to the %I% keyword
	%R%		the current release number
	%Y%		the value of the t flag(set by sccs admin)
	------------------------------------------------------------------------


	table 1-2 SCCS utility commands
	---------------------------------------
		SCCS utility programs
	---------------------------------------
	Commands	|	Refer to:
	---------------------------------------
	admin			sccs-admin(1)
	cdc			sccs-cdc(1)
	comb			sccs-comb(1)
	delta			sccs-delta(1)
	get			sccs-get(1)
	help			sccs-help(1)
	prs			sccs-prs(1)
	rmdel			sccs-rmdel(1)
	sact			sccs-sact(1)
	sccsdiff		sccs-sccsdiff(1)
	unget			sccs-unget(1)
	val			sccs-val(1)
	what			what(1)
	---------------------------------------


	table 1-3 Data keywords for 'prs -d'
	----------------------------------------------------------------------------------------
	keyword		data item		file section	value			fotmat
	----------------------------------------------------------------------------------------
	:Dt:	Delta information		Delta table	see below		S
	:DL:	Delta line statistics		    "		:Li:/:Ld:/:Lu:		S
	:Li:	Lines inserted by delta		    "		nnnnn			S
	:Ld:	Lines deleted by delta		    "		nnnnn			S
	:Lu:	Lines unchanged by delta	    "           nnnnn			S
	:DT:	delta type			    "		D or R			S
	:I:	SCCS ID string(SID)		    "		:R:.:L:.:B:.:S:		S
	:R:	Release number			    "		nnnn			S
	:L:	Level number			    "           nnnn			S
	:B:	Branch number			    "		nnnn			S
	:S:	Sequence number			    "		nnnn			S
	:D:	Data delta created		    "		:Dy:/:Dm:/:Dd:		S
	:Dy:	Year delta created		    "		nn			S
	:Dm:	Month delta created		    "		nn			S
	:Dd:	Day delta created		    "		nn			S
	:T:	Time delta created		    "		:Th:::Tm:::Ts:		S
	:Th:	Hour delta created		    "		nn			S
	:Tm:	Minutes delta created		    "		nn			S
	:Ts:	Seconds delta created		    "		nn			S
	:P:	Programmer who created delta	    "		logname			S
	:DS:	Delta sequence number		    "		nnnn			S
	:DP:	Predecessor delta seq-no	    "		nnnn			S
	:DI:	Sequence number of deltas	    "		nnnn			S
		  included,excluded,ignored
	:Dn:	Delta included(seq #)		    "		:DS: :DS:....		S
	:Dx:	Delta excluded(seq #)		    "		:DS: :DS:....		S
	:Dg:	Delta ignored(seq #)		    "		:DS: :DS:....		S
	:MR:	MR numbers for delta		    "		text			M
	:C:	Comments for delta		    "		text			M
	:UN:	User names			User named	text			M
	:FL:	Flag list			Flags		text			M
	:Y:	Module type flag		    "		text			S
	:MF:	MR validation flag		    "		yes or no		S
	:MP:	MR validation pgm name		    "		text			S
	:KF:	Keyword error/warning flag	    "		yes or no		S
	:BF:	Branch flag			    "		yes or no		S
	:J:	Joint edit flag			    "		yes or no		S
	:LK:	Locked releases			    "		:R:....			S
	:Q:	User defined keyword		    "		text			S
	:M:	Module name			    "		text			S
	:FB:	Floor boundary			    "		:R:			S
	:CB:	Ceiling boundary		    "		:R:			S
	:Ds:	Default SID			    "		:I:			S
	:ND:	Null delta flag			    "		yes or no		S
	:FD:	File descriptive text		Comments	text			M
	:BD:	Body				Body		text			M
	:GB:	Gotten body			    "		test			M
	:W:	A form of what(1) string	N/A		:Z::M:\t:I:		S
	:A:	A form of what(1) string        N/A		:Z::Y: :M: :I::Z:	S
	:Z:	what(1) string delimiter	N/A		@(#)			S
	:F:	SCCS file name			N/A		text			S
	:PN:	SCCS file path name		N/A		text			S
	----------------------------------------------------------------------------------------
	S= single-line format,M = multi-line
	:Dt: = :DT: :I: :D: :T: :P: :DS: :DP:
	----------------------------------------------------------------------------------------





Revision History
Created        on Oct  15 ,1992