When you create a new user account and set a password for that account, the “password expires” status is set to never (ex: 0). Apart from that, the “password inactive” and “account expires” statuses are also set to never, and your last password change will
The passwd command is used to modify the user’s password and its properties, like deleting the password, expiring the password, deactivating the account, and many more. The owner of an account only has permission to modify its password properties, except for the root user, who
The chown command is used to modify the user and group ownership of files and directories. It will be helpful to restrict the access permissions for files and directories to selective users and members of group. Tutorial Details Description Chown (Change Ownership) Difficulty Level Moderate
The chmod command is used to modify the access permissions of files and directories. It can modify the read, write, and executable permissions, which can help you control shell script execution or specific file modifications. In this article, you will learn how to change referenced
The “/dev/null” file is a special file that can be found in all Linux systems. They are also referred to as “null device files”, “void”, and sometimes “a black hole of Linux”. There is not any specific role for this file; however, if you redirect
If you ever used vim, nano, or read commands, you were already using the stdin stream. Or if you were listing the files and directories from your system using the ls command, you were using the stdout stream. In case you misspelled your command or
