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1. nohup
nohup ÎÞÒÉÊÇÎÒÃÇÊ×ÏÈÏëµ½µÄ°ì·¨¡£¹ËÃû˼Ò壬nohup µÄÓÃ;¾ÍÊÇÈÃÌá½»µÄÃüÁîºöÂÔ hangup Ðźš£ÈÃÎÒÃÇÏÈÀ´¿´Ò»Ï nohup µÄ°ïÖúÐÅÏ¢£º
NOHUP(1) User Commands NOHUP(1)
NAME
nohup - run a command immune to hangups, with output to a non-tty
SYNOPSIS
nohup COMMAND [ARG]...
nohup OPTION
DESCRIPTION
Run COMMAND, ignoring hangup signals.
--help display this help and exit
--version
output version information and exit
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nohup ʾÀý

[root@pvcent107 ~]# nohup ping www.ibm.com &
[1] 3059
nohup: appending output to `nohup.out'
[root@pvcent107 ~]# ps -ef |grep 3059
root 3059 984 0 21:06 pts/3 00:00:00 ping www.ibm.com
root 3067 984 0 21:06 pts/3 00:00:00 grep 3059
[root@pvcent107 ~]#
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