讓程序(process)在 user 登出或斷線後也能持續地跑
如果你把 terminal 關掉或斷線的話，在執行中的程式會被 killed，就算你用 & 把程序放 bg (background)也同樣會被 killed。
這指令 nohup ("no hangup") 是用來解決此一問題的
# nohup command &
The command will continue to run if you log out. Any output from the command is saved in a file called nohup.out
ps. 也可以用 screen 來做
The UNIX Programming Environment P.35
Wednesday, February 4, 2009
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