Tag: operating systems

Questions Related to operating systems

Which is the inner most layer in unix operating system
technology operating systems

  1. Hardware

  2. Kernel

  3. Shell

  4. Application Programs

Show answer
Correct Option: B

Which command is used to modify the modification time and access times of a file
technology operating systems

  1. modify

  2. touch

  3. cat

  4. Not possible

Show answer
Correct Option: B

Which command is used to create a zero size file?
technology operating systems

  1. cat

  2. create

  3. touch

  4. new

Show answer
Correct Option: C

Which command gives the time of last inode modification?
technology operating systems

  1. ls -i

  2. ls -l

  3. ls -li

  4. ls-lc

Show answer
Correct Option: D

Which command can be used to view the current users login name?

technology operating systems

  1. logname

  2. who

  3. whos

  4. ps

Show answer
Correct Option: A

UNIX is a single user operating environment
technology operating systems

  1. True

  2. False

Show answer
Correct Option: B

Whats the command used when the terminal settings are disrupted and we see garbage in our terminal
technology operating systems

  1. stty -d

  2. tput clear

  3. stty sane

  4. stty clear

Show answer
Correct Option: C

Which of the following commands can compress a file and as well as archive it?

technology operating systems

  1. tar

  2. gzip

  3. xr

  4. zip

Show answer
Correct Option: D

Which environment variable can be used to change the shell prompt?
technology operating systems

  1. TERM

  2. PROMPT

  3. PS1

  4. PS2

Show answer
Correct Option: C

Unix treats the main memory(RAM) of a PC as a file.

technology operating systems

  1. True

  2. False

Show answer
Correct Option: A