Whether your Linux box has hundreds of users or just one account for you and one for your dog it is important to understand how Linux user accounts work. There are GUI tools for this within GNOME and ...

If you’re administering a Linux server, chances are you have a lot of user accounts to manage and, along with these, a lot of files and settings to control. Here are some commands and issues that are ...

This week, I will introduce two fundamental concept of the Linux process model: user ids (uid) and group ids (gid). Then, I will exemplify how to use the relevant library functions for setting and ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

The UID and GID are often transparent, and are assigned automatically in sequence by the account creation program. So, the user added after “fred” would have a UID of 201. Some Linux distributions ...