Unix 5

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Author:
alishac
ID:
168926
Filename:
Unix 5
Updated:
2012-09-04 16:51:53
Tags:
Unix
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Description:
Unix 5 commands
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  1. An operating system can be viewed as a software that manages hardware and software
    resources of a computer system.
    True
  2. Increased resource utilization leads to increase in system throughput.
    True
  3. The absolute pathname of a file in UNIX is with respect to the
    Root directory on the system
  4. An option argument in a UNIX command modifies the behavior of the option
    True
  5. Dennis Ritchie Ken Thomson C 1969 DEC PDP-7 — What comes to mind?
    • MULTICS
    • Bell Labs
    • UNIX
  6. The predominant mode of interaction with UNIX is text-based.
    True
  7. Machine cycle has three states: fetch decode execute.
    True
  8. The UNIX swap-in decision is based on secondary storage residency time—the longer a process resides on disk the lower its priority.
    False
  9. An editor buffer and a file on disk are exactly the same thing.
    False
  10. The pico editor is distributed free with the pine e-mail system.
    True
  11. Operating systems that allow users to interact with their executing programs are known as
    interactive systems.
    True
  12. Which keystroke Command Mode command in vi allows you to enter Last Line Mode?
    • colon
    • (:)
  13. UNIX is a graphics-driven operating system.
    False
  14. UNIX/Linux routines that communicate directly with the hardware are spread throughout the
    operating system.
    False
  15. UNIX does not support password-based protection.
    False
  16. Which character in vi allows you to go from Insert Mode to Command Mode?
    <Esc>
  17. The cd .. command makes the following as your new current directory
    Parent of your current directory
  18. A space character is optional between the option and the option argument
    True
  19. UNIX is a direct descendent of MULTICS and direct ancestor of LINUX.
    False
  20. System bus consists of three buses: control bus data bus and register bus.
    False
  21. UNIX was written in
    • 1969
    • C
    • Bell Labs

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