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Commands

Browse all articles, tutorials, and guides about Commands

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Posts

Git
2025-04-18|5 min read

Difference Between git add -A and git add . in Git

Confused about when to use git add -A versus git add dot? Learn the key differences and when to use each command for staging files.

Docker
2024-12-10|7 min read

How to Execute Multiple Commands in Docker Compose

Learn different techniques for running multiple commands in Docker Compose services, from simple command chaining to advanced multi-stage initialization scripts.

Bash
2024-10-01|7 min read

How to Set a Variable to the Output of a Command in Bash

Learn multiple methods to capture command output in Bash variables using command substitution, including best practices and error handling techniques.

Bash
2024-05-03|7 min read

How to Check if a Program Exists from a Bash Script

Learn multiple reliable methods to check if a command or program is available on your system from within Bash scripts, including using which, command, and type.