File Commands

• ls - Directory listing
• ls -l - Long listing format
• ls -a - List all files including hidden files
• cd /path/to/directory - Change directory
• pwd - Display the current working directory
• mkdir directory_name - Create a new directory
• rmdir directory_name - Remove an empty directory
• rm file_name - Remove a file
• rm -r directory_name - Remove a directory and its contents recursively
• touch file_name - Create or update a file
• cat file_name - Concatenate and display the file content
• more file_name - View file content page by page
• less file_name - Improved viewing of file content over more
• cp source_file target_file - Copy files from source to target
• mv old_name new_name - Rename or move a file/directory

SSH (Secure Shell)

• ssh user@host - Connect to host as user
• ssh -p port user@host - Connect using a specific port
• ssh-keygen -t rsa - Generate RSA key pair