Basic Utilities

• ls -- direcory listing
• rm -- Remove (delete) file(s)
• mv -- Move (rename) file
• emacs -- A text editor (and the rest)
• tar -- Archiving utility
  • tar xf filename.tar -- Unpack an archive
  • tar zxf filename.tar.gz -- Unpack a compressed archive
  • tar cf filename.tar myDirectory -- Create an archive containing all the files in myDirectory
• gzip -- A compression/decompression utility
• grep -- Search for a string (actually a "regular expression") within files
• more -- Display text a page at a time
• find -- Find files matching certain criteria
• sed -- Stream editor
• file -- Identify type of file