Related

Execute as Another User

linux

Execute commands as another user

Change Password

linux

Change user password

Add User

linux

Create new user account

linux/su

Switch User

Switch to another user account

user
switch
security

Command

su

Explanation

su allows switching to another user account or becoming root.

Examples

Switch to user with login shell

su - username

Switch to root user

su

Run command as user

su -c "command" username

More

Modify User

linux

Modify user account

Show User/Group IDs

linux

Print user and group IDs

Show User Groups

linux

Print group names a user is in