USERMOD

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usermod − ã¦ã¼ã¶ã¢ã«ã¦ã³ããä¿®æ£ãã

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usermod [−c comment] [−d home_dir [−m]]
[−e expire_date] [−f inactive_time]
[−g initial_group] [−G group [,…]]
[−l login_name] [−p passwd]
[−s shell] [−u uid [−o]] [−L|−U] login

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usermod ã³ãã³ãã¯ã ã³ãã³ãã©ã¤ã³ä¸ã§ã®æå®ã«ãã£ã¦ã ã·ã¹ãã ã¢ã«ã¦ã³ããã¡ã¤ã«ãä¿®æ£ããã usermod ã³ãã³ãã«æå®ã§ãããªãã·ã§ã³ã¯æ¬¡ã®éãã
−c comment

ãã¹ã¯ã¼ããã¡ã¤ã«ã®ã³ã¡ã³ããã£ã¼ã«ãã«ä¸ããæ°ããå¤ã é常㯠chfn(1) ã¦ã¼ãã£ãªãã£ã«ãã£ã¦å¤æ´ãããã

−d home_dir

æ°ãããã°ã¤ã³ãã£ã¬ã¯ããªã −m ãªãã·ã§ã³ãç¨ããã¨ã ç¾å¨ã®ãã¼ã ãã£ã¬ã¯ããªã®ä¸èº«ãæ°ãããã¼ã ãã£ã¬ã¯ããªã«ç§»åããã (å¾èãåå¨ããªãå ´åã¯æ°ãã«ä½æããã)ã

−e expire_date

ãã®ã¦ã¼ã¶ã¢ã«ã¦ã³ãã使ç¨ä¸è½ã«ãªãæ¥ä»ã æ¥ä»ã¯ YYYY−MM−DD ã¨ããæ¸å¼ã§æå®ããã

−f inactive_days

ãã¹ã¯ã¼ãã®ä½¿ç¨æéãåãã¦ããã¢ã«ã¦ã³ããæ°¸ä¹ã«ä½¿ç¨ä¸è½ã«ãªãã¾ã§ã®æ¥æ°ã 0 ã«ããã¨ã ãã¹ã¯ã¼ãã®æéãåããã¨åæã«ãã®ã¢ã«ã¦ã³ãã¯ä½¿ç¨ä¸è½ã«ãªãã −1 ã«ããã¨ãã®æ©è½ãç¡å¹ã«ãªããããã©ã«ãå¤ã¯ −1ã

−g initial_group

æ°ãã«ãã®ã¦ã¼ã¶ã®ãã°ã¤ã³æåæã°ã«ã¼ãã¨ããã°ã«ã¼ãåã¾ã㯠IDã ã°ã«ã¼ãåã¯æ¢ã«åå¨ãã¦ããªããã°ãªããªãã ã°ã«ã¼ãçªå·ã¯æ¢å- ã®ã°ã«ã¼ããåç§ãã¦ããªããã°ãªããªãã ããã©ã«ãã®ã°ã«ã¼ãçªå·ã¯ 1ã

−G group,[…]

ã¦ã¼ã¶ãå±ããè£å©ã°ã«ã¼ã (supplementary groups) ã®ãªã¹ãã ã°ã«ã¼ãã¯ã³ã³ãã§åºåããéã«ç©ºç½æåãå¥ãã¦ã¯ãªããªãã æå®ã§ããã°ã«ã¼ãã«ã¯ −g ãªãã·ã§ã³ã¨åæ§ã®å¶éãããã ç¾å¨ãã®ã¦ã¼ã¶ãã æ°ãããªã¹ãã«ãªãã°ã«ã¼ãã®ã¡ã³ãã¼ã«ãªã£ã¦ããå ´åã¯ã ãã®ã°ã«ã¼ãããåé¤ãããã

−l login_name

ã¦ã¼ã¶ã®ãã°ã¤ã³åã login ãã login_name ã«å¤æ´ããã ä»ã¯ä½ãå¤æ´ããªãã®ã§ã ããããæ°ãããã°ã¤ã³åã«åãã㦠ãã¼ã ãã£ã¬ã¯ããªã®ååãå¤æ´ããå¿è¦ãããã ããã

−p passwd

crypt(3) ã®è¿ãå¤ã§ããæå·åãã¹ã¯ã¼ãã

−s shell

ã¦ã¼ã¶ã®æ°ãããã°ã¤ã³ã·ã§ã«ã®ååã ãã®ãã£ã¼ã«ãã空ç½ã«ããå ´åã¯ã ã·ã¹ãã ãããã©ã«ãã®ãã°ã¤ã³ã·ã§ã«ãé¸æããã

	−u uid		ã¦ã¼ã¶ã® ID çªå·ã ãã®å¤ã¯ã−o ãªãã·ã§ã³ãç¨ããå ´åãé¤ããä»ã¨éè¤ãã¦ã¯ãªããªãã ã¾ãéè² å¤ã§ãªãã¦ã¯ãªããªãã 0 ãã 999 ã¾ã§ã®å¤ã¯ãé常ã·ã¹ãã ã¢ã«ã¦ã³ãç¨ã«äºç´ããã¦ããã ãã¼ã ãã£ã¬ã¯ããªä»¥ä¸ã®ã ãã®ã¦ã¼ã¶ææã®ãã¹ã¦ã®ãã¡ã¤ã«ã®ã¦ã¼ã¶ ID ã¯ã èªåçã«æ°ããå¤ã«å¤æ´ãããã ãã¼ã ãã£ã¬ã¯ããªä»¥ä¸ã«ãªããã¡ã¤ã«ã¯æä½æ¥ã§å¤æ´ããªããã°ãªããªãã
	−L		ã¦ã¼ã¶ã®ãã¹ã¯ã¼ããããã¯ããã ããã¯æå·åããããã¹ã¯ã¼ãã®åã« ’!’ ã追å ãã å®è³ªçã«ãã¹ã¯ã¼ããç¡å¹ã«ããã ãã®ãªãã·ã§ã³ã −p ã −U ã¨åæã«ç¨ãããã¨ã¯ã§ããªãã
	−U		ã¦ã¼ã¶ã®ãã¹ã¯ã¼ããã¢ã³ããã¯ããã ããã¯æå·åããããã¹ã¯ã¼ãã®åé ã® ’!’ ãåãé¤ãã ãã®ãªãã·ã§ã³ã −p ã −L ã¨åæã«ç¨ãããã¨ã¯ã§ããªãã

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usermod ã¯ç¾å¨ãã°ã¤ã³ãã¦ããã¦ã¼ã¶ã®ååãå¤æ´ã§ããªãã ãã®ã³ãã³ãã使ç¨ãã¦ã¦ã¼ã¶ã® ID çªå·ãå¤æ´ããéã«ã¯ã æå®ããã¦ã¼ã¶ã®ãã- ã»ã¹ãä¸ã¤ãå®è¡ããã¦ããªããã¨ã äºåã«ç¢ºèªããªããã°ãªããªãã crontab ãã¡ã¤ã«ã®ææèã¯æä½æ¥ã§å¤æ´ããªããã°ãªããªãã at ã¸ã§ãã®ææèã¯æä½æ¥- ã§å¤æ´ããªããã°ãªããªãã NIS ã«é¢ããä½æ¥ã¯ NIS ãµã¼ãä¸ã§è¡ãªããªããã°ãªããªãã

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/etc/passwd − ã¦ã¼ã¶ã¢ã«ã¦ã³ãæå ±
/etc/shadow − å®å¨ãªã¦ã¼ã¶ã¢ã«ã¦ã³ãæå ±
/etc/group  − ã°ã«ã¼ãæå ±

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chfn(1), chsh(1), passwd(1), crypt(3), groupadd(8), groupdel(8), groupmod(8), useradd(8), userdel(8)

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Julianne Frances Haugh (jockgrrl@ix.netcom.com)

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