nohup [OPTION] [COMMAND [ARG]...]
!subtitle:功能
运行命令时忽略挂断信号（SIGHUP），以便该命令在用户注销后仍可在后台继续运行。
!subtitle:类型
可执行文件（/usr/bin/nohup），属于 coreutils。
!subtitle:参数
OPTION 选项：
--help - 显示帮助
--version - 显示版本
COMMAND - 要运行的命令；如果不传递此参数则打印当前优先级
ARG - 传递给 COMMAND 的参数列表
$ nohup java -jar minecraft_server.jar nogui & # & 表示后台运行
在后台运行 minecraft_server 并忽略挂断信号（SIGHUP），用户注销后仍可继续运行。
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
If standard input is a terminal, redirect it from an unreadable file.
If standard output is a terminal, append output to 'nohup.out' if pos‐
sible, '$HOME/nohup.out' otherwise. If standard error is a terminal,
redirect it to standard output. To save output to FILE, use 'nohup
COMMAND > FILE'.
NOTE: your shell may have its own version of nohup, which usually su‐
persedes the version described here. Please refer to your shell's doc‐
umentation for details about the options it supports.
Exit status:
125 if the nohup command itself fails
126 if COMMAND is found but cannot be invoked
127 if COMMAND cannot be found
- the exit status of COMMAND otherwise
AUTHOR
Written by Jim Meyering.
REPORTING BUGS
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
COPYRIGHT
Copyright © 2023 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation <https://www.gnu.org/software/coreutils/nohup>
or available locally via: info '(coreutils) nohup invocation'
GNU coreutils 9.4 April 2024 NOHUP(1)