Master 100 Essential Linux Shell Commands – Boost Your Productivity

In most Linux, Unix and Unix‑like systems, the shell is the primary interface for users to interact with the kernel. It is a powerful command‑line interpreter that also supports scripting, allowing users to write scripts for various tasks.

Familiarity with shell commands is the first step to mastering shell scripting. Below is a concise introduction to 100 commonly used shell commands.

Table of Contents

File operation commands

Search commands

Directory operation commands

Permission commands

Network commands

Process and system control commands

Text manipulation commands

Compression and decompression commands

Disk usage management commands

Package management commands

Process management commands

Environment variable commands

System information commands

System control commands

Text editor commands

Other common commands

Examples:

ls – list directory contents ls /home cd – change directory cd /home/user/Documents cat – view file contents cat /etc/passwd more – paginate file viewing more /var/log/syslog less – reverse pagination less /var/log/syslog touch – create an empty file or update timestamps

touch /home/user/newfile.txt

The full PDF containing all 100 commands is available for download.