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[root@apl mail]# w
17:38:08 up 2 days, 1:58, 5 users, load average: 0.04, 0.09, 0.06
USER TTY from LOGIN@ IDLE JCPU&nb ......
1.# ±íʾȨÏÞÓû§(Èç:root),$ ±íʾÆÕͨÓû§
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ogin:ÊäÈëÓû§Ãû
password:ÊäÈë¿ÚÁî Óû§ÊÇϵͳע²áÓû§³É¹¦µÇ½ºó£¬¿ÉÒÔ½øÈëÏàÓ¦µÄÓû§»·¾³.
Í˳öµ±Ç°shell,ÊäÈë:exit
2.useradd netseek Ìí¼ÓÒ»¸önetseekÓû§
passwd netseek ¸ønetseekÕâ¸öÓû§ÉèÖÃÃÜÂë.
(/etc/passwd /etc/group)
userdel netseek É ......
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# useradd user1
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java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.ref ......