Use the commands listed in this section for file manipulation, including file creation, copying, moving, renaming, deleting, searching, modifying files, etc. cat Command Thecat commandis short for concatenate. I
This serves as an excellent reminder of why you should look closely at the manual for all Linux commands. Learning Bash is like learning English as a second language. There are many exceptions to the rules. wcommand Users come, users go, and sometimes you get users you don't want at all...
Here, we list some basic bash syntax with a brief explanation. It is a good starting point if you are a beginner.
Compound Commands 复合命令 compound command(复合命令) 是如下情况之一: (list) list 序列将在一个子 shell 中执行。变量赋值和影响 shell 环境变 量 的内建命令在命令结束后不会再起作用。返回值是序列的返回值。 { list; } list 序列将在当前 shell 环境中执行。序列必须以一个新行符或分号结 束。这种做...
# if user is not root, pass all commands via sudo # if [ $UID -ne 0 ]; then alias reboot='sudo reboot' alias update='sudo apt-get upgrade' fi 定义与操作系统类型相关的别名 可以将下面代码加入~/.bashrc使用 case 语句: ### Get os name via uname ### ...
Bash enables combining commands by piping output of one command to be used as the input for another command. For example, the following command can be used to list all files on a file system using the-Rparameter to specify the listing should be recursive. ...
Example command : ls -a|--all (List all directories). Can use either use the short or long options. Both short and long options were incorporated for educational purposes, allowing users to choose the preferred format. It's important to note that not all commands have both short and long...
-s If the -s option is present, or if no arguments remain after option processing, then commands are read from the standard input. This option allows the positional parameters to be set when invoking an interactive shell. -D A list of all double-quoted strings preceded by $ is printed ...
从这个 Bash 基础训练课程,我们将学习 Bash 的基础知识,并能开始些我们自己的 Bash 脚本和自动化日常任务。 Bash 是一种Unixshell和命令语言。它可以在各种操作系统上广泛使用,而且它也是大多数Linux系统上的默认命令解释器。 Bash 是 Bourne-Again SHell 的简称。
complete[-abcdefgjksuv] [-ocomp-option] [-Aaction] [-Gglobpat] [-Wwordlist] [-Pprefix] [-Ssuffix] [-Xfilterpat] [-Ffunction] [-Ccommand]name[name ...] complete-pr[name...] 指定每个name的参数应当如何被补全。如果给出了-p选项,或者没有选项给出,现有的补全规则将被显示出来,以一种可...