File Utilities

• compress - Lempel-Ziv compression

• gzip - GNU Lempel-Ziv compression

• zip - like pkzip

• tar - "tape" archive program
  tar cvf archive_file directory
  tar xvf archive_file
  be cautious about explicit paths

• file - determine file type based on content

• du - disk usage

• od - octal dump

• grep - search files for patterns

• wc - word count