你可以使用alias命令为一个命令序列创建一个别名,如果你想运行ls命令3次,可以创建一个名为three_ls的别名,如下所示: alias three_ls='ls; ls; ls' 你可以通过输入three_ls命令来运行ls命令3次,请注意,这种方法仅在当前会话中有效,当关闭终端或重新启动系统时,别名将不再存在,要永久保存别名,请将其添加到你...
tree ==显示目录树结构 -L 层数,-d 目录 alias ==查看以及定义别名(外号、小名) 例子: oldboy='echo "I am oldboy linux."' alias rm='echo "rm can not be used,pls use mv"' 别名生效的位置:针对root用户:/root/.bashrc 所有用户都生效:/etc/bashrc或/etc/profile定义 生效source /etc/profile ...
In simple terms, an alias is a way to define a new command or customize an existing one. It allows users to create shortcuts that execute longer, complex commands with just a few keystrokes. By defining aliases, Linux users can save time and effort when working with the command line. To...
alias Create an alias for Linux commands alsactl Access advanced controls for ALSA soundcard driver. amidi Perform read/write operation for ALSA RawMIDI ports. amixer Access CLI-based mixer for ALSA soundcard driver. anacron Used to run commands periodically. aplay Sound recorder and player for ...
Other Linux Commands To Trymount –Mount or “attach” drives to the system. umount –Umount or “remove” drives from the system. xargs –Builds and executes commands provided through standard input. alias –Create shortcuts for long or complex commands. jobs –List programs currently running ...
alias - Creates an alias for a command. If options aren't specified it will show all aliases. allneeded - Forces the calculation of all fonts that are needed to preview a set of dvi files. alloc - Shows how much memory is used and free. anacron - Runs commands periodically. answer -...
Commands aliasing Aliases are nicknames given to a given command. Syntax: alias nickname="original command name", example: alias cls=clear. Spaces are not allowed before and after the = symbol. To list the existed aliases: alias, to delete a given alias: unalias cls, to delete all aliases...
Jump back to commands list ↑ tarcommand in Linux is used to create and extract archived files. We can extract multiple different archive files using thetarcommand. To create an archive, we use the-cparameter, and to extract an archive, we use the-xparameter. Let’s see how it works. ...
alias/unalias:用于给其它命令设置和删除别名; history:命令的使用历史记录; date:修改或显示系统日期; time:修改或显示系统时间; set:设置系统环境变量; crontab:设置定时任务; reboot:重启系统; shutdown:关机; 程序管理类 ps:显示进程状态; bg:将后台进程改为前台运行; ...
User_AliasADMINS=user1,user2ADMINSALL=NOPASSWD:ALLrootALL=(ALL)ALL The first line defines an ADMINS user alias with the two users, and the second line grants the privileges. The ALL = NOPASSWD: ALL part means that the users in the ADMINS alias can use sudo to execute commands as root...