How Do I Give a User a Password in Linux?

What is the command to give a user a password in Linux?

Both Linux and UNIX-like operating systems use the passwd command to change user password.
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To change a password on behalf of a user:

1. First sign on or “su” or “sudo” to the “root” account on Linux, run: sudo -i.
2. Then type, passwd tom to change a password for tom user.
3. The system will prompt you to enter a password twice.

How do I lock a user in Linux?

UNIX / Linux : How to lock or disable an user account

1. Lock the password. To lock a users account use the command usermod -L or passwd -l. …
2. Expire the user account. The commands passwd -l and usermod -L are ineffcient when it comes to disable/lock user accounts. …
3. Changing the shell.