Q.1
Which of the following command will be used for searching “director” in emp.lst?
  • a) grep “director” emp.lst
  • b) grep -director emp.lst
  • c) grep -v “director” emp.lst
  • d) grep “director”
Q.2
Which of the following command is used for searching for a pattern in one or more file(s)?
  • a) paste
  • b) grep
  • c) cd
  • d) cp
Q.3
Which of the following commands is known as stream editor?
  • a) grep
  • b) tr
  • c) sed
  • d) td
Q.4
What is a shell script?
  • a) group of functions
  • b) a file containing a series of commands
  • c) a file containing special symbols
  • d) group of commands
Q.5
To run the script, we should make it executable first by using _____
  • a) chmod +w
  • b) chmod +rwx
  • c) chmod +x
  • d) chmod +r
Q.6
Which command is used for acquiring superuser status?
  • a) su
  • b) pu
  • c) super
  • d) admn
Q.7
Which command is used to find out the consumption of a specific directory?
  • a) mem
  • b) dv
  • c) du
  • d) df
Q.8
Which filter apart from perl, is the most powerful?
  • a) awk
  • b) grep
  • c) cut
  • d) sed
Q.9
For running a Unix command within awk, we’ve to use ____ function.
  • a) split
  • b) system
  • c) substr
  • d) length
Q.10
To extract specific columns from a file ____ command is used.
  • a) cut
  • b) pr
  • c) head
  • d) tail
Q.11
Which of the following cannot be performed by cat command?
  • a) appending files
  • b) deleting files
  • c) creating files
  • d) displaying files
Q.12
What is the default delimiter used by the cut command for cutting fields?
  • a) underscore
  • b) space
  • c) tab
  • d) double tab
Q.13
Which of the following is not an internal command used by mailx?
  • a) d
  • b) N
  • c) a
  • d) q
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