Being able to manage permissions on a Linux system is essential to any system administrator. There are tools available for setting permissions and ownership’s as well as viewing those same permissions and ownership.

Linux Hard links and soft links are like shortcuts to the file or folder you reference. A hard link is more like a duplicate file sharing the inodes or location on the hard disk. A soft link is more like a windows shortcut.

This is an overview on the tools needed to successfully create, copy, move, and rename files and directories.

There are many ways in creating and even editing files. You can use commands such as vim and touch to create and edit files.

Linux Compression utilities are useful for archiving.

Logging into different users is a pretty straight forward process via terminal. When first booting your system you’ll be brought to a login screen either in terminal or GUI. If a terminal login appears, odds are you are in runlevel 3. If the GUI login screen appears then you’re most likely in runlevel 5.

This tutorial goes over the techniques used to remotely access systems via SSH and or VNC.

Grep is a powerful utility that can be used to parse out and or query files for data.

Linux input-output redirection is a powerful yet useful tool that can be used to save data for later viewing as well as automating particular tasks.