In here you will find a series a various Linux tutorials. These are all questions I had to look around to get an answer and that I still refer from time to time. I hope these will help you as well.
Compress and Extract
Compress Files and Directories
Learn how to compress you files and directories by using Zip, Gzip, Tar or 7zip directly in your terminal.
Extract/Unzip Files and Directories
Learn how to extract/unzip a compressed folder by using Zip, Gzip, Tar or 7zip directly in your terminal.
Hard Drive / Partitions
Mount New Partition
Learn how to mount a new partition on your system.
Validate fstab before Rebooting
Learn how to validate fstab's configuration before rebooting your computer. An error in your fstab file could prevent your computer from booting properly.
Find Documents
Find the Biggest Folders (in Bytes)
Learn how to find the folders that take the most space in your system.
Find Files by looking at their Size
Learn how to find files that are smaller, bigger or exactly a specific size.
Manipulate Files
Rename Multiple Files
Learn how to rename multiple files that have a common pattern. A minimum knowledge of regex is recommended.
Other
fc - Re-execute Previous Commands
Learn how to re-execute command(s) with the fc native tool.
Fresh Player Plugin
Learn how to install the Fresh Player Plugin on your system.
GNOME Multiple Monitors
Learn how to extends your workspace so it can change on every monitor.
Remove Whitespace
Learn how to remove whitespace while passing data through pipes.
Screen
Learn how you can create a persistent terminal session that stays open even when you close your terminal. Useful when you need to run a task in the background for a long period or when your internet connection to a server could be interrupted.
Systemd Timer
Learn how to run a periodic task by using Systemd's Timer functionalities.