am a new user of Debian Linux operating systems. I need to change the password for root user account on a Debian Linux. How do I change the root password on Debian Linux using passwd command line options?
an you explain me the format of /etc/group user group file under Linux / UNIX-like operating systems?
Can you explain /etc/shadow file format used under Linux or UNIX-like system?
an you explain /etc/passwd
file format for Linux and Unix-like operating systems?
Explains Linux user account concept and related files with an example.
an you tell me command to change a password in Unix? How do I change a password in Unix operating system like macOS desktop or FreeBSD Unix server using the command line?