The Command Line

What you'll learn

• ✦Explain what a shell, a terminal, and a prompt actually are — and why pros prefer them
• ✦Navigate your whole filesystem confidently with pwd, ls, and cd
• ✦Tell absolute paths from relative ones and use shortcuts like ~, ., and ..
• ✦Create, copy, move, rename, and delete files and folders from the keyboard
• ✦Read files without opening an editor using cat, less, head, and tail
• ✦Find files by name with find and search inside them with grep
• ✦Combine commands with pipes and save output with redirection (|, >, >>)
• ✦Read file permissions, fix them with chmod, and understand environment variables and PATH
• ✦Work faster with wildcards, aliases, and chained commands
• ✦Connect to remote machines with SSH, manage processes, and write a first shell script

Syllabus