linux关机重启相关命令总结

linux关机重启相关命令总结

shutdown

shutdown使用方法如下 ： shutdown 后面跟上可选参数

[root@localhost ~]# shutdown --help
shutdown [OPTIONS...] [TIME] [WALL...]

Shut down the system.

     --help      Show this help
  -H --halt      Halt the machine
  -P --poweroff  Power-off the machine
  -r --reboot    Reboot the machine
  -h             Equivalent to --poweroff, overridden by --halt
  -k             Don't halt/power-off/reboot, just send warnings
     --no-wall   Don't send wall message before halt/power-off/reboot
  -c             Cancel a pending shutdown

使用shutdown重启机器命令如下：

shutdown -r now  //立刻重启

使用shutdown关机命令如下：

shutdown -h now //立刻关机
shutdown

---

poweroff

poweroff的使用说明如下: poweroff 后面 加上可选参数

[root@localhost ~]# poweroff --help
poweroff [OPTIONS...]

Power off the system.

     --help      Show this help
     --halt      Halt the machine
  -p --poweroff  Switch off the machine
     --reboot    Reboot the machine
  -f --force     Force immediate halt/power-off/reboot
  -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record
  -d --no-wtmp   Don't write wtmp record
     --no-wall   Don't send wall message before halt/power-off/reboot

poweroff关机的命令如下：

poweroff    //立刻关机
poweroff -p  //立刻关机

poweroff重启的命令如下：

poweroff --reboot

---

init

切换运行级别

init帮助说明如下

[root@iZ2zegpluo0zzw2visuq29Z nmkj]# init --help
init [OPTIONS...] {COMMAND}

Send control commands to the init daemon.

     --help      Show this help
     --no-wall   Don't send wall message before halt/power-off/reboot

Commands:
  0              Power-off the machine
  6              Reboot the machine
  2, 3, 4, 5     Start runlevelX.target unit
  1, s, S        Enter rescue mode
  q, Q           Reload init daemon configuration
  u, U           Reexecute init daemon

使用init重启命令如下:

init 6

使用init关机命令如下:

init 0

---

reboot

这个是平时重启最常用的命令，具体帮助手册如下

[root@iZ2zegpluo0zzw2visuq29Z nmkj]# reboot --help
reboot [OPTIONS...] [ARG]

Reboot the system.

     --help      Show this help
     --halt      Halt the machine
  -p --poweroff  Switch off the machine
     --reboot    Reboot the machine
  -f --force     Force immediate halt/power-off/reboot
  -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record
  -d --no-wtmp   Don't write wtmp record
     --no-wall   Don't send wall message before halt/power-off/reboot

还有一些其他命令，待补充--------