cat - View Files in Linux
From the Linux Essential Commands cheat sheet · File Viewing & Editing · verified Jul 2026
cat - View Files
Display file contents, concatenate files, or create new files
bash
# Display file contents
cat file.txt
# Display multiple files
cat file1.txt file2.txt
# Display with line numbers
cat -n file.txt
# Create file with content
cat > newfile.txt
(type content, then Ctrl+D to save)✅ Best for viewing small files
💡 -n adds line numbers to output
🔍 Use less or more for large files
filesviewdisplay