Embedded Linux Command Line Complete Guide

Introduction

In the world of embedded systems, knowing how to effectively navigate and utilize the Linux command line is essential for any technical professional. Whether you are a software developer, hardware engineer, or system administrator, having a solid understanding of the command line can greatly enhance your ability to work with embedded Linux systems.

Basic Commands

- ls: List directory contents

- cd: Change directory

- pwd: Print working directory

- mkdir: Make directory

- rm: Remove files or directories

- cp: Copy files or directories

File Management

- touch: Create an empty file

- cat: Concatenate and display files

- mv: Move or rename files

- find: Search for files in a directory hierarchy

- grep: Search for patterns in files

Process Management

- ps: Display information about running processes

- top: Display and update sorted information about processes

- kill: Terminate processes

- jobs: Display status of jobs in the current shell

Networking

- ifconfig: Configure network interfaces

- ping: Test network connectivity

- ssh: Secure shell for remote access

- scp: Secure copy for remote file transfer

- curl: Transfer data with URLs

System Information

- uname: Display system information

- df: Display disk space usage

- free: Display memory usage

- uptime: Display system uptime

- date: Display current date and time

Advanced Commands

- awk: Pattern scanning and processing language

- sed: Stream editor for filtering and transforming text

- tar: Archive files

By mastering these essential commands, you will be well-equipped to effectively work with embedded Linux systems and tackle a wide range of technical challenges.