Basic Unix Commands

Knowing basic Unix commands should allow you to navigate your Unix system, confirm current system status and manage files or directories.

Getting help

  • man – view manual pages for Unix commands

Unix users

  • id – print user identity

Unix file operations

  • ls – list files and directories
  • cat – concatenate files and show contents to the standard output
  • cp
  • rm
  • mv

Unix directory management commands

  • cd – change directory
  • pwd – confirm current directory
  • ln – make links and symlinks to files and directories
  • mkdir – make new directory
  • rmdir – remove empty directories

Unix system status commands

  • uptime – find out how long the system has been up
  • who – find out who is logged into the system
  • uname – print Unix system information

Process management

  • ps
  • top – show tasks and system status

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