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operating systems Online Quiz - 14

Description: operating systems Online Quiz - 14
Number of Questions: 20
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Tags: operating systems
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In response to the df command, the system reports a Use% of 98% for the filesystem mounted on /home. Which one of the following best describes the significance of this information?

  1. Files on /home are consuming 98% of the /home filesystem

  2. File read/write activity on /home is consuming 98% of system I/O capacity.

  3. Files on /home are consuming 98% of the physical disk

  4. Inodes on /home are nearly exhausted.


Correct Option: A

Which one of the following is an accurate statement regarding this regular expression?[^1-8A-Za-z]

  1. It matches characters other than letters or numbers

  2. t matches all letters and numbers except 9.

  3. It matches all letters and numbers

  4. It matches 9, 0, and other nonletter and nonnumber characters


Correct Option: D
  1. Commands of interest mainly to the administrator.

  2. Commands of interest to all system users.

  3. Commands needed in the event of a system emergency of interest mainly to the administrator.

  4. Libraries needed in the event of an emergency.


Correct Option: C
  1. The lines of guest_list are evenly divided among new files glaa, glab, and glac

  2. The first four columns in the text are written to new files aagl, abgl, acgl, and adgl.

  3. The lines of guest_list are evenly divided among new files aagl, abgl, and acgl.

  4. The first four columns in the text are written to new files glaa, glab, glac, and glad.


Correct Option: A
  1. Date command

  2. Ver command

  3. Disk command

  4. Format command


Correct Option: A
  1. Command.com, io.sys

  2. Command.com, date.com, dir.com

  3. Command.com, io.sys, msdos.sys

  4. Chkdsk.exe


Correct Option: C

If you need to duplicate the entire disk, which command will you use?

  1. Copy

  2. Diskcopy

  3. Chkdsk

  4. Format


Correct Option: B

Which command lists the contents of current directory of a disk

  1. Copy

  2. Tree

  3. Cd

  4. Dir


Correct Option: D

Only filenames and extensions are to be displayed in wide format, which command you’ll use?

  1. Dir/w

  2. Dir a:

  3. Dir/s

  4. Dir/b


Correct Option: A

If there is Two Operating System in a System (i.e window XP & REDHAT)then what will be the boot loader of that system.

  1. ntldr

  2. boot.ini

  3. grub

  4. none of there


Correct Option: C
  1. 2 core unit

  2. 4 core unit

  3. 2 core unit & 2 image of core unit

  4. 1 core unit & 3 image core unit


Correct Option: C
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