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R

• UNIX commands

• reading
  • mail
  • user input into shell scripts

• receiving
  • files from remote hosts
    • using ftp
    • using hhcp
    • mail

• redirection
  • explanation of
  • stdin (standard input)
  • stdout (standard output)

• regular expressions
  • explanation of
  • matching filenames with

• remote systems
  • logging in to

• removing
  • directories See deleting
  • duplicate lines from files See also sort command
  • files See deleting
  • print jobs from queue
  • symbolic links

• renaming
  • directories
  • files

• replying to mail

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