Zsh Tutorial #4: View & Edit Files (cat, less, head, tail, nano) | macOS Terminal Guide

Learn how to view and edit files directly in the terminal! In this lesson, you'll master essential Zsh commands for file viewing and text editing on macOS. 📚 What you'll learn: • cat - Display entire file contents instantly • less - Interactive pager for large files (scroll, search) • head - View the first lines of a file • tail - View the last lines (great for logs!) • nano - Beginner-friendly terminal text editor ⏱️ Timestamps: 0:00 - Intro 0:25 - Understanding cat 0:55 - cat Demo 1:30 - Understanding less 2:05 - less Demo 3:03 - Understanding head & tail 3:38 - head & tail Demo 4:40 - Terminal Text Editors 5:15 - nano Demo 5:45 - Recap 6:13 - End Screen 🔧 Commands covered: cat file.txt # Display file contents cat -n file.txt # With line numbers cat file1.txt file2.txt # Concatenate files less file.txt # Page through file (q to quit) head file.txt # First 10 lines head -20 file.txt # First 20 lines tail file.txt # Last 10 lines tail -f logfile.txt # Follow new content nano file.txt # Edit file with nano 📺 Full Zsh Tutorial Playlist: This is Lesson 4 in our complete Zsh shell scripting series for macOS. Subscribe for more! 🖥️ Prerequisites: • macOS with Terminal.app • Basic understanding of navigation (Lessons 1-3) 💡 Pro Tips: • Use less for large files - cat will scroll too fast • tail -f is perfect for watching log files in real-time • Pipe head into tail to get lines from the middle! #zsh #terminal #macos #commandline #shell #scripting #tutorial #coding #programming #productivity #developer #nano #cat #less