Linux Operation related __linux

One, increase user useradd

Useradd MyUser

Execution will create a user named MyUser.
The user created does not have home dir, and users who created it with the Ubuntu system cannot log in using the interface because there is no home dir.

Use the following command.

Useradd-m-P 123456 myuser

Execution will create the MyUser home dir
-M Create user Directory
-p Set password for create user Two, delete user Userdel

#删除用户
userdel myuser
#删除用户并删除用户目录
userdel-r myuser

Third, modify the user

#修改用户名
usermod-l newuser-d/home/newuser-m olduser