-d或–directory 直接把欲删除的目录的硬连接数据删成0,删除该目录。 -f或–force 强制删除文件或目录。 -i或–interactive 删除既有文件或目录之前先询问用户。 -r或-R或–recursive递归处理,将指定目录下的所有文件及子目录一并处理。 -v或–verbose 显示指令执行过程。 清空文件或者日志内容,比如test.
快捷键 shortcuts 历史命令 history commands [root@xxx ~]# history //View history commands [root@xxx ~]# history -c //Clear history commands [root@xxx ~]# cat ~/.bash_history //view the history command saves files ctrl+R //Find the history command and run it (It has to be continuou...
Ascriptis used in Linux andcontains commands written according to work specifications and assignments. When executed, each command in the script executes in order. Theshellis the user-written command interpreter. AShell scripthelps a user write and executemultiple commands at the same time. This art...
Can be used to extend oroverride settings in the global configuration script. 文件 内容 /etc/bash.bashrc 应用于所有用户的全局配置文件。 ~/.bashrc 用户个人的启动文件。可以用来扩展或重写全局配置脚本中的设置。 In addition to reading the startup files above, non-login shells also inherit the...
You will not see the arguments passed to the commands which is usually helpful when trying to debug a bash script. You may find useful to use both. ### Define Debug environment ### Filename: my-debug-env if [[ -v TRACE ]]; then echo "Run TRACE mode" set -o xtrace # same as...
If you go back to the PowerShell console, you can runC:-StoppedServices.ps1to execute all the code in that script. Creating scripts is similar to creating commands; it lets you piece together code and run it as a single unit. You can also run PowerShell scripts from the cmd.exe ...
/home/rich/test/myscript is a file /home/rich/test/newdir is a directory /home/rich/test/newfile is a file /home/rich/test/newfile2 is a file /home/rich/test/testdir is a directory /home/rich/test/testing is a file /home/rich/test/testprog is a file ...
Windows PowerShell allows IT professionals to more easily control system administration and accelerate automation. Windows PowerShell is easy to adopt, learn, and use, because it works with your existing IT infrastructure and existing script investments. PowerShell works on Windows XP, Windows 2003...
scriptname: Permission denied But there is a more important difference between the two ways of running shell scripts. While usingsourcecauses the commands in the script to be run as if they were part of your login session, the “just the name” method causes the shell to do a series of ...
How to add usage content in Shell script It's easy to do: use shift to iterate over all your arguments. It looks like this: How to create usage message Use if command to test command line arguments. On Linux, most commands display error or usage information if a function is not passed...