edit the password, group, shadow-password or shadow-group file
Author: Willie
Willie
Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.
line printer devices
configuration file for the pam_cap module
The DWARF packaging utility
nftables powers around 70–75% of Linux server installations as the active kernel firewall backend in 2026.
Its growing adoption reflects a major shift in modern Linux network security infrastructure.
Running scripts on Windows is simple—just create a file with a .bat extension and execute it with ease.
You can run it via PowerShell or double-click to quickly automate tasks.
NAME chpasswd – update passwords in batch mode SYNOPSIS chpasswd [options] DESCRIPTION The chpasswd command reads a list of user name and password pairs from standard input and uses this information to update a group of existing users. Each line is of the format: user_name:password By default the passwords must be supplied in clear-text, and are encrypted by chpasswd. Also the password age will be updated, if present. By default, passwords are encrypted by PAM, but (even if not recommended) you can select a different encryption method with the -e, -m, or -c options. Except when PAM…
User Datagram Protocol for IPv4
make block or character special files
a data import program