Userspace Applications

Major Concepts & Key Terminology

  • kernel
  • root user
  • end-user
  • additional users?
    • service users
    • daemon users
  • userspace
    • end-user tools (userspace applications)
    • end-user files

Covered Userspace Applications

  • wget: download resources via web
  • curl: craft HTTP(s) requests and display HTTP(s) responses
  • grep: search content (using words or regular expressions)
  • sed: edit streams of data (substitute)
  • vim: edit files
  • mail-utils: send emails

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