Linux 命令(249)—— unset 命令(builtin) 编程算法shell 文章目录 1.命令简介 2.命令格式 3.选项说明 4.返回值 5.常用示例 参考文献 1.命令简介 unset 删除指定的 Shell 变量或函数。 注意,unset 不能删除具有只读属性的 Shell 变量和环境变量。 2.命令格式 unset [-fv] [name ...] 当不指定选项时,...
userdel user_name//删除用户(不会删除个人文件夹) userdel -r user_name//用户和文件一同删除 passwd 命令 passwd -l user_name//锁定用户(违规用户)或者 在/etc/shadow文件中属于该用户的行的第二个字段(密码)前面加上*就可以了。想恢复该用户,去掉*即可。 passwd -u user_name//解锁用户 passwd -d use...
We can also use type command to get the location and executable path of a command. In this tutorial, we will learn how to use the type command. Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% Finding the “type” of all the common commands ...
Instead of a full description, if you only want to know what thecdcommand does, you can use the-doption. #help -d cd Thehelpcommand, when used with the-doption, provides a one-liner brief description of the specified command. To view how to use thecdcommand or the command syntax of...
How to use userdel command in Linux? Here’s an example of how to use the userdel command in Linux: Syntax: userdel [options] username Example: Let’s say we want to delete the user account for a user named “johndoe”. We can use the following command: ...
As this involves security concerns, the administrator should work in conjunction with their security team to understand the best solution available to their company. To record all commands entered into the shell in a linux environment to a log file. This can be useful for auditing user actions ...
For the moment, here’s a quick summary of how to switch users in Linux command line. To switch users, you need to know the password of that user. You can switch the users with this command: su – <username> To switch to root user in Ubuntu, you can use this command: ...
-u: Specifies the user credentials for server authentication. -d: Sends the specified data in a POST request to the server. -x: Specifies the proxy address to use for the requests. 30 Examples of cURL Command in Linux Now, let’s delve into some practical examples of using the cURL com...
The rm (remove) command is one of the most important Linux utilities that every beginner to advanced Linux user should understand how it works and how to use it.
You can remove the expiry date and thus unlock the user in this manner: chage -E -1 username In the end… As always, there are various ways to accomplish a task in Linux command line. I have shown here three methods to lock and unlock users in Linux. Do you know a better way or...