The Ultimate Guide to Unix/Linux Commands with Examples
Unix/Linux is a powerful operating system, widely used by developers and system administrators. Mastering its command-line tools enhances productivity and helps you manage files, processes, permissions, and systems efficiently. This guide categorizes the most essential Unix/Linux commands by function — with practical examples included. 📁 File and Directory Commands Listing and Navigating Directories ls # List files and directories ls -al # Long list format with hidden files ls -lt # Sort by last modified time cd dir # Change to directory 'dir' cd # Go to home directory pwd # Print working directory File Viewing and Creation cat > file.txt # Create file and input content cat file.txt # Display content more file.txt # Page-by-page output head file.txt # First 10 lines tail file.txt # Last 10 lines tail -f file.txt # Continuously output file updates ...