You don't need to go to the power menu to turn off your Linux system. You can do it the cool way by using the terminal
Where hh:mm is a placeholder for the time (in 24 hour format) at which you would want to shut down the system. See example in the snapshot below : The file /run/nologin is created by systemd few minutes before the shutdown event in order to prevent other users from logging in. In...
If we want to shut down the system immediately, we can use+0or a convenient alias,now: root# shutdown nowCopy Since Linux is a multi-user operating system, we may want to broadcast a message to all currently logged in users about the planned shutdown or reboot: root# shutdown -r +4...
shutdown:关机。 halt:关机。 poweroff:关闭电源。 logout:退出当前登录的Shell。 exit:退出当前登录的Shell。 Ctrl+d:退出当前登录的Shell的快捷键。 进程管理相关命令(15个) bg:将一个在后台暂停的命令,变成继续执行 (在后台执行)。 fg:将后台中的命令调至前台继续运行。 jobs:查看当前有多少在后台运行的命令...
shutdown at, specifiedin24h clock format. Alternatively it may beinthe syntax"+m"referring to the specified number of minutes m from now."now"is analiasfor"+0", i.e.fortriggering an immediate shutdown. If no time argument is specified,"+1"is implied. ...
In System V init, this state of the machine is called its runlevel, which is denoted by a number from 0 through 6. A system spends most of its time in a single runlevel, but when you shut the machine down, init switches to a different runlevel in order to terminate the system ...
run_shutdown_and_kill_processes(); #ifdef RB_ENABLE_CAD /* Allow Ctrl-Alt-Del to reboot the system. * This is how kernel sets it up for init, we follow suit. */ reboot(RB_ENABLE_CAD); /* misnomer */ #endif if (open_stdio_to_tty(a->terminal)) { ...
为了更好的保护用户帐号的安全,Linux允许用户随时修改自己的口令,修改口令的命令是passwd,它将提示用户输入旧口令和新口令,之后还要求用户再次确认新口令,以避免用户无意中按错键。如果用户忘记了口令,可以请系统管理员为自己重新设置一个。 虚拟控制台 Linux是一个真正的多用户操作系统,这表示它可以同时接受多个用户登...
Linux基础入门,一.Linux基础1.用户类型root用户一个特殊的管理帐户也被称为超级用户root已接近完整的系统控制对系统损害几乎有无限的能力除非必要,不要登录为root普通(非特权)用户权限有限造成损害的能力比较有限2.终端terminal(1)终端类型控制台终端:/dev/console串行
shutdown Power-off the machine. size Lists section size and the total size of a specified file. skill Send a signal to processes. slabtop Show kernel slab cache information in real-time. slattach Attack a network interface to a serial line. sleep Suspend execution for a specified amount of...