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node8:/home # who
root     :0           2009-11-04 16:26
root     pts/0        2009-11-05 13:52 (:0.0)
linfengfeiye pts/1        2009-11-07 06:32 (118.113.209.13)
µÚÒ»ÁÐÊÇÓû§Ãû,
µÚ¶þÁÐÊÇÁ¬½ÓµÄÖÕ¶Ë,tty±íʾÏÔʾÆ÷,pts±íʾԶ³ÌÁ¬½Ó,
µÚÈýÁÐÊǵǽʱ¼ä,
²é¿´µÇ¼Óû§ÐÐΪ:
node8:/ # w
 07:46:35 up 2 days, 15:35,  6 users,  load average: 0.03, 0.07, 0.02
USER     TTY        LOGIN@   IDLE   JCPU   PCPU WHAT
root     :0        Wed16   ?xdm?  35:59   0.26s /opt/gnome/bin/gnome-session
root     pts/0     Thu13   21:12m  0.07s  0.49s gnome-terminal --working-direct
linfengf pts/1     06:32    0.00s  0.49s  0.00s sshd: linfengfeiye [priv] 
users ±íʾµ±Ç°ÏµÍ³µÇ½Óû§×ÜÊýΪ6¡£
LOAD AVERAGE ÓëºóÃæµÄÊý×ÖÒ»Æð±íʾϵͳÔÚ¹ýÈ¥1£¬5£¬10·ÖÖÓÄڵĸºÔس̶ȣ¬ÊýֵԽС£¬ÏµÍ³¸ºÔØÔ½Çá¡£
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TTY£ºÓû§µÇ½ËùÓõÄÖÕ¶Ë¡£
from£ºÏÔʾÓû§Ôںδ¦µÇ½ϵͳ¡£
LOGIN@£ºÊÇLOGIN ATµÄÒâ˼£¬±íʾµÇ½½øÈëϵͳµÄʱ¼ä¡£
IDLE£ºÓû§¿ÕÏÐʱ¼ä£¬´ÓÓû§ÉÏÒ»´ÎÈÎÎñ½áÊøºó£¬¿ªÊ¼¼Çʱ¡£
JCPU£ºÒ»ÖÕ¶Ë´úºÅÀ´Çø·Ö£¬±íʾÔÚij¶Îʱ¼äÄÚ£¬ËùÓÐÓë¸ÃÖÕ¶ËÏà¹ØµÄ½ø³ÌÈÎÎñËùºÄ·ÑµÄCPUʱ¼ä¡£
PCPU£ºÖ¸WHATÓòµÄÈÎÎñÖ´ÐкóºÄ·ÑµÄCPUʱ¼ä¡£
WHAT£º±íʾµ±Ç°Ö´ÐеÄÈÎÎñ
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²é¿´linfengfeiyeÓû§Ö´ÐÐÈÎÎñÇé¿ö
node8:/ # w linfengfeiye
 07:40:45 up 2 days, 15:29,  6 users,  load average: 0.07, 0.08, 0.02
USER     TTY        LOGIN@   IDLE   JCPU   PCPU WH


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