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 ...

We have looked at the fuser command before to display information about what users or processes are keeping file systems busy. This command can save you a lot of time tracking when you need to quickly ...

In a journaling file system, changes to files and directories are first recorded in the journal. This journal acts as a buffer, ensuring that file system operations are either completed or undone in ...

Network file system (NFS), server message block (SMB) and common internet file system (CIFS) are all file access storage protocols, used to access files on remote servers and storage servers (such as ...

When attackers take advantage of an exploit, one of their first goals is to gain superuser (root or administrator) access to the compromised system. If the compromised process is already running with ...

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 ...

One of the files that the average Unix sysadmin rarely looks at, almost never changes and yet depends on every time he or she reboots a system is the /etc/inittab file. This modest little file ...

When writing about digital technology, or any topic, is something you do, it takes time to accumulate credibility. Even if you put in the study time up front to know your stuff, building trust takes ...