The ls command is probably one of the first commands that anyone using Unix learns, but it only shows a small portion of the information that is available with the stat command. The stat command pulls ...

While the average Unix user is generally satisfied by the date/time stamps that he sees when using the ls -l command, it is sometimes useful to remember that there are actually several time stamps ...

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 ...

In the vast landscape of operating systems, Linux stands as a bastion of flexibility and security. Central to its robust security model is the meticulous management of user accounts and permissions.

The problem Since upgrading to Leopard, many users have been experiencing permissions problems. Some of these are connected with Group access to their files. A typical symptom is this: you select a ...