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.
Bash: Write to File
This article explains how to write text to a file in Bash, using the redirection operators and tee command.
Bash read Command
read is a bash built-in command that reads a line from the standard input (or from the file descriptor) and split into words.
Listing Linux Services with Systemctl
This article explains how to use the systemctl command to list Linux services and check their status.