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How to use sudo rm -rf safely

We'll help you understand its components

Show & Hide Line Numbers in Vim / Vi

Toggle absolute and relative line numbers

How to run cron every hour

along with variations and examples

Go To End of File in Vim / Vi

Select and delete to the end of a file in Vim

How to run chmod recursively

Using -R is probably not what you want.

Vim / Vi Page Up and Down Controls

Quick reference for Vim's page up and down controls

Bash printf

How to use string formatting with bash printf

How to delete lines in Vim / Vi

The best answer depends on which mode you use

Bash Comments

Comments will help make your scripts more readable.

Delete a File in Python

There are two approaches to deleting a file in Python

Bash Concatenate Strings

Join two strings together in Bash

Curl Post Request

Use cURL to send data to a server

Bash Aliases

Create an alias for common commands

Reading User Input

Via command line arguments and prompting users for input

Bash Case Statement

A popular alternative to the if-then-else statement

How to Make Grep Case Insensitive

By default, grep is case sensitive

Undo & Redo in Vim / Vi

Keyboard shortcuts and summary of how Vim tracks changes

Copy & Paste in Vim / Vi

Copy (Yank), Paste (Put) and Cut (Delete) in Vim