What is the pwconv command?

The pwconv command is used to convert password entries in the /etc/passwd file to shadowed passwords. The command takes the following steps for the conversion:

• The entries in the shadowed file that do not exist in the /etc/passwd file are removed.
• The shadowed entries that do not have the character x in the password field of the /etc/passwd file are updated.
• Any missing shadowed entry is added.
• Passwords in the main file are replaced with the character x.

The pwunconv command is used to convert a shadowed password to a normal password.

Note: Only a root user can use the pwconv and pwunconv commands.

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