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¥æ¡¼¥¶¥°¥ë¡¼¥×¤Î RCS ´ÉÍý¼Ô¤È¤·¤Æ¡¢¥æ¡¼¥¶ A ¤òÁª¤Ó¤Þ¤¹¡£ A ¤À¤±¤¬¡¢RCS ¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ rcs ¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ A ¤Ï root ¤ä¡¢Æø¢¤ò»ý¤Ã¤¿¥æ¡¼¥¶¤Ç¤¢¤Ã¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£ Áê¸ß¤Ë°Û¤Ê¤ë¥æ¡¼¥¶¥°¥ë¡¼¥×¤Ë¤Ï¡¢°Û¤Ê¤ë´ÉÍý¼Ô¤ò»ÈÍѤ¹¤ë¤Ù¤­¤Ç¤¹¡£

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mkdir  B
cp  D/c[io]  B
chmod  go-w,u+s  B/c[io]

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°Ê²¼¤Î¤è¤¦¤Ë¡¢³Æ¥æ¡¼¥¶¤Î¥Ñ¥¹¤Ë B ¤ò²Ã¤¨¤Þ¤¹:

PATH=B:$PATH;  export  PATH  # ordinary shell
set  path=(B  $path)  # C shell

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°Ê²¼¤Î¤è¤¦¤Ë¡¢ A ¤À¤±¤¬½ñ¤­¹þ¤ßµö²Ä¤ò»ý¤Ä RCS ¥Ç¥£¥ì¥¯¥È¥ê R ¤òºîÀ®¤·¤Þ¤¹:

mkdir  R
chmod  go-w  R

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ÆÃÄê¤Î¥æ¡¼¥¶¤À¤±¤Ë RCS ¥Õ¥¡¥¤¥ë¤ÎÆɤ߹þ¤ß¤òµö²Ä¤·¤¿¤¤¾ì¹ç¡¢ ¤½¤Î¥æ¡¼¥¶¤ò¥æ¡¼¥¶¥°¥ë¡¼¥× G ¤ËÆþ¤ì¤Æ¡¢¤µ¤é¤Ë A ¤¬°Ê²¼¤Î¤è¤¦¤Ë¡¢RCS ¥Ç¥£¥ì¥¯¥È¥ê¤òÊݸ¤Þ¤¹:

chgrp  G  R
chmod  g-w,o-rwx  R

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(¸ºß¤¹¤ì¤Ð) ¸Å¤¤ RCS ¥Õ¥¡¥¤¥ë¤ò R ¤Ë¥³¥Ô¡¼¤·¡¢ A ¤¬½êÍ­¤Ç¤¢¤ë¤³¤È¤òÊݾڤ·¤Þ¤¹¡£

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½é¤á¤Æ¥Á¥§¥Ã¥¯¥¤¥ó¤ò¹Ô¤¦Á°¤Ë¡¢ A ¤Ï rcs -i ¤Ë¤è¤Ã¤Æ¿·¤·¤¤ RCS ¥Õ¥¡¥¤¥ë¤ò½é´ü²½¤·¤Þ¤¹¡£ ¥Á¥§¥Ã¥¯¥¤¥ó¤òÀ©¸Â¤·¤¿¤¤¾ì¹ç¡¢ -a ¥ª¥×¥·¥ç¥ó¤òÉÕ¤±²Ã¤¨¤Þ¤¹¡£

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setuid Æø¢¤Ï¡¢ ci, co, rcsclean ¤Î¤ß¤ËÍ¿¤¨¤Þ¤¹; rcs ¤ä¾¤Î¥³¥Þ¥ó¥É¤Ë¡¢setuid Æø¢¤òÍ¿¤¨¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£

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RCS ¥³¥Þ¥ó¥É¤ËÂФ·¤Æ¡¢Â¾¤Î setuid ¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤·¤Ê¤¤¤Ç¤¯¤À¤µ¤¤¡£ setuid ¤Ï¤¢¤Ê¤¿¤¬¹Í¤¨¤ë¤è¤ê°·¤¤¤Ë¤¯¤¤¤â¤Î¤Ç¤¹¡£

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RCSINIT

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TMPDIR

°ì»þ¥Ç¥£¥ì¥¯¥È¥ê̾¤ò»ØÄꤷ¤Þ¤¹¡£ ÀßÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï¡¢´Ä¶­ÊÑ¿ô TMP ¤È TEMP ¤È¤òÄ´¤Ù¡¢»Ï¤á¤Ë¸«¤Ä¤«¤Ã¤¿ÃͤòÍѤ¤¤Þ¤¹; ¤É¤ì¤âÀßÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï¡¢ ·×»»µ¡°Í¸¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥Ç¥£¥ì¥¯¥È¥ê (¤¿¤¤¤Æ¤¤¤Ï /tmp ) ¤ò»ÈÍѤ·¤Þ¤¹¡£

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