Understanding Linux File Permissions
In Linux, file permissions, attributes, and ownership control the access level that the system processes and users have to files.
How to Install and Configure an NFS Server on Ubuntu 20.04
This article explains how to set up an NFSv4 Server on Ubuntu 20.04. We'll also show you how to mount an NFS file system on the client machine.
Bash wait Command
wait is a command that waits for the given jobs to complete and returns the exit status of the waited for command.
Find and Replace in Vim / Vi
Find and replace is a powerful feature of Vim, which allows you to make changes to your text quickly.