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Unix commands

UNIX

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following UNIX commands is used to make copies of files or entire directories?

  1. rmdir
  2. mkdir
  3. cp
  4. none of these
Question 2 Multiple Choice (Single Answer)

Which command displays the full absolute path to your current location in the file system?

  1. cd
  2. mkdir
  3. pwd
  4. mv
Question 3 Multiple Choice (Single Answer)

Which command is used to find the place where an application program or system utility is stored on a disk?

  1. which
  2. uniq
  3. cut
  4. od
Question 4 Multiple Choice (Single Answer)

Which of the following backsup entire directories and files onto a tape device or into a single disk file known as an archive?

  1. tar
  2. cpio
  3. compress, gzip
  4. none of these
Question 5 Multiple Choice (Single Answer)

Which command kills the job number 1?

  1. fg%1
  2. kill 1
  3. kill%1
  4. jobs
Question 6 Multiple Choice (Single Answer)

Which command is used to remove the duplicate adjacent lines from a file?

  1. cut
  2. uniq
  3. which
  4. none of these
Question 7 Multiple Choice (Single Answer)

___________command means suspend the job, running in the foreground.

  1. ^C
  2. ^Z
  3. Bg
  4. Ps
Question 8 Multiple Choice (Single Answer)

Which of the following commands kills the job, running in the foreground?

  1. ^C
  2. ^Z
  3. &
  4. none of these
Question 9 Multiple Choice (Single Answer)

Which of the following commands is used to concatenate the files?

  1. Command1 Command2
  2. Command &
  3. Cat file1 file2 > file0
  4. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following is a secure alternative for remote login and also for executing commands in the remote machines?

  1. ssh
  2. rlogin, rsh
  3. telnet
  4. none of these
Question 11 Multiple Choice (Single Answer)

Which command helps us to use directly to send and receive files and is designed for use with standard serial cable modems and telephone service?

  1. uuname
  2. uuto
  3. UUCP
  4. None of these
Question 12 Multiple Choice (Single Answer)

Which of the following provides a way to browse the web on a text- only terminal?

  1. wget
  2. lynx
  3. ping
  4. traceroute
Question 13 Multiple Choice (Single Answer)

___________ command is used to determine the local node name as well as the names of all uucp systems that are immediately known to the system.

  1. uuto
  2. UUCP
  3. unname
  4. None of these
Question 14 Multiple Choice (Single Answer)

Which of the following keys is used in emac to delete at the end of the line or lines?

  1. C-d
  2. M-d
  3. C-w
  4. C-k
Question 15 Multiple Choice (Single Answer)

_____________cursor movement key is used to move the cursor at the beginning of a line.

  1. C-a
  2. C-e
  3. C-<
  4. C->
Question 16 Multiple Choice (Single Answer)

__________ performs a forward incremental search.

  1. C-r
  2. C-%
  3. C-s
  4. C-g
Question 17 Multiple Choice (Single Answer)

____________ is particularly useful in tracking down the location of network problem.

  1. wget
  2. traceroute
  3. ping
  4. none of these
Question 18 Multiple Choice (Single Answer)

______________ customisable keys are used to compile program.

  1. C-x c
  2. C-x C-u
  3. C-x a
  4. None of these
Question 19 Multiple Choice (Single Answer)

________ is used to reformat the paragraph.

  1. C-x o
  2. C-x b
  3. C-x C-c
  4. M-q
Question 20 Multiple Choice (Single Answer)

Which command is used to quit a file, without saving?

  1. :w
  2. :wq
  3. :q!
  4. u
Question 21 Multiple Choice (Single Answer)

Which of the following commands in vi editor is used to delete upto the end of a line?

  1. d$
  2. dd
  3. <n>dd</n>
  4. dw
Question 22 Multiple Choice (Single Answer)

Which command is used to save and quit the file?

  1. :w
  2. :wq
  3. :q!
  4. None of these
Question 23 Multiple Choice (Single Answer)

Which command performs the append text operation with respect to vi command?

  1. i
  2. J
  3. $a
  4. h
Question 24 Multiple Choice (Single Answer)

___________ is used to move the cursor at the beginning of a line.

  1. k
  2. l
  3. j
  4. ^
Question 25 Multiple Choice (Single Answer)

Which cursor movement commands is used to move the cursor at the end of a line?

  1. ^F
  2. $
  3. G
  4. ^
Question 26 Multiple Choice (Single Answer)

___________ is an utility used for checking round-trip response time between machines.

  1. wget
  2. ping
  3. lynx
  4. none of these
Question 27 Multiple Choice (Single Answer)

_____________ redirects the standard output to a file.

  1. Command >> file
  2. Command > file
  3. Command < file
  4. Command &
Question 28 Multiple Choice (Single Answer)

___________ provides an insecure mechanism for logging into remote machines. It is an insecure facility because all data is passed in unencrypted format over the network.

  1. rlogin, rsh
  2. telnet
  3. ssh
  4. unname
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