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 ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

Others, like Red Hat, typically assign users to their own unique group, which means the UID and GID are usually identical and is why sometimes those new to Linux are not clear on just why this unique ...

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 ...

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 ...