grep command MCQ

Test your knowledge with important grep command MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more grep command MCQs at Bissoy

• Which of the following symbols are used for matching multiple patterns?
  ক

  |

  খ

  &

  গ

  ( and )

  ঘ

  | and ( and )
• Which option is used when we want to use an ERE with grep command?
  ক

  -e

  খ

  -i

  গ

  -E

  ঘ

  -i
• Which of the following symbols are a set of ERE (extended regular expressions)?
  ক

  +

  খ

  –

  গ

  ?

  ঘ

  + and –
• Which symbol is used for matching a single character?
  ক

  *

  খ

  .

  গ

  &

  ঘ

  %
• Which of the following symbol is used for matching the immediately preceding character?            d) %
  ক

  *

  খ

  $

  গ

  [
• Which of the following is not a subset of BRE (basic regular expression) character subset?
  ক

  *

  খ

  .*

  গ

  ^$

  ঘ

  ch+
• grep command supports both extended and regular expressions.
  ক

  True

  খ

  False
• POSIX identifies regular expressions as belonging to ____ categories.
  ক

  3

  খ

  2

  গ

  4

  ঘ

  5
• For taking patterns from a file, -f option is specified with grep command.
  ক

  True

  খ

  False
• _____ option is used when we need to match multiple patterns in a single invocation of grep command?
  ক

  -a

  খ

  -e

  গ

  -n

  ঘ

  -i
• Which option displays only the filename containing the pattern?
  ক

  -i

  খ

  -n

  গ

  -e

  ঘ

  -l
• ______ option counts the number of lines containing the pattern?
  ক

  -c

  খ

  -i

  গ

  -e

  ঘ

  -n
• Which option is used for displaying the line numbers containing the pattern along with lines?
  ক

  -v

  খ

  -i

  গ

  -e

  ঘ

  -n
• Which option is used with grep command for deleting lines?
  ক

  -v

  খ

  -e

  গ

  -a

  ঘ

  -i
• Which option is used with grep command for ignoring the case in pattern searching?
  ক

  -a

  খ

  -v

  গ

  -i

  ঘ

  -e
• If there are special characters in a pattern, then we’ve to enclose them in ______
  ক

  single quotes

  খ

  double quotes

  গ

  without any quotes

  ঘ

  all quotes
• grep command can be used for searching a pattern in more than one file.
  ক

  True

  খ

  False
• When the pattern is not found in a file, grep command silently returns the prompt.
  ক

  True

  খ

  False
• Which one of the following command will be used for searching “director” in emp.lst?
  ক

  grep “director”

  খ

  grep -v “director” emp.lst

  গ

  grep -director emp.lst

  ঘ

  grep “director” emp.lst
• Which one of the following is the correct syntax for grep command?
  ক

  grep options filename(s)

  খ

  grep options pattern

  গ

  grep pattern filename

  ঘ

  grep options pattern filename(s)
• Which one of the following command is used for searching for a pattern in one or more file(s)?
  ক

  cd

  খ

  cp

  গ

  paste

  ঘ

  grep