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operating systems Online Quiz - 26

Description: operating systems Online Quiz - 26
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

MBR having primary partitons limitations of...???

  1. 2

  2. 3

  3. 4

  4. 5


Correct Option: C

GPT allows maximium partiotons...??

  1. 24

  2. 64

  3. 12

  4. 4

  5. 128


Correct Option: E

Is bootstrap and bootloader are the same thing and place at same location....????

  1. True

  2. False


Correct Option: B
  1. SATA

  2. PRIMARY

  3. PATA

  4. NT

  5. FireWire

  6. iLink


Correct Option: A,C,E,F
  1. Kill -9 allows the child processes to be killed before parent process is killed and Kill forcefully kills the process without giving time to

  2. Kill allows the child processes to be killed before parent process is killed and Kill -9 forcefully kills the process without giving time to

  3. None of the above

  4. both are same


Correct Option: B
  1. crontab -t

  2. crontab -l

  3. crontab -e

  4. crontab -r


Correct Option: D
  1. This gives the file read/write by the owner and only read by everyone else

  2. This gives the file read/execute by the owner and only read by everyone else

  3. This gives the file read/write by the owner and only execute by everyone else

  4. This gives the file read/write/execute by the owner and only execute by everyone else


Correct Option: A
  1. ssh hostname

  2. ssh [email protected]

  3. ssh user hostname

  4. None of the above


Correct Option: B

gunzip -f myfile.gz

  1. Uncompress the file myfile.gz

  2. compress the file myfile.gz and if the uncompressed file(s) already exist force an overwrite

  3. Uncompress the file myfile.gz and if the uncompressed file(s) already exist force an overwrite

  4. compress the file myfile.gz


Correct Option: C

A symbolic link has the same permissions as the original file.

  1. True

  2. False


Correct Option: B
  1. . filename

  2. ./

  3. . \

  4. / filename


Correct Option: B

How do you move a process which is running background to foreground?

  1. fg pid

  2. bg pid

  3. mv pid

  4. none of the above


Correct Option: A
  1. "who am I" and "id"

  2. "who" and "who am I"

  3. "who" and "id"

  4. "who", "who am I", "id"


Correct Option: D

Command to get the list of files/directories with name containing "UniVar" under the root directory excluding errors.

  1. find / -name "UniVar" $1>list

  2. find / -name "UniVar" $0>list

  3. find . -name "UniVar" $1>list

  4. find . -name "UniVar"


Correct Option: A
  1. cat test1 | tr ' ' '|' > test2

  2. cat test1 | cut-d ' ' ' |' > test2

  3. cat test1 | tr '|' ' ' > test2

  4. cat test1


Correct Option: A
  1. cat test | cut ' '

  2. cat test | tr -s ' '

  3. cat test | tr ' ' ''

  4. cat test > test 1


Correct Option: B

A file contains data as given below, Line 1 Line 2 Line 3 Line 4 Line 5 A command which can be used to get the second column from this file is

  1. cat test | cut -d ' ' -f1

  2. cat test | cut -d ' ' -f2

  3. cat test | cut -f2

  4. None


Correct Option: B
  1. Complex

  2. Occupies more memory

  3. Not available in all UNIX servers

  4. Too many commands to remember


Correct Option: B
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