Q.1
Which command is used to display the characteristics of a process?
Q.2
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
Q.3
Which command is used to remove a file?
Q.4
Which of the following commands is used to display the directory attributes rather than its contents?
Q.5
Which of the following files will displayed by this command cat *ch*
Q.6
Which symbol is used to separate more than one command in the same command line?
Q.7
The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:
Q.8
If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
Q.9
Which command is used to remove a directory?
Q.10
Which of the following keys is used to replace a single character with new text?
Q.11
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
Q.12
Which command is used to sort the lines of data in a file in reverse order
Q.13
Which of the following is not a communication command.
Q.14
Which command is used to extract specific columns from the file?
Q.15
Which command sends the word count of the file infile to the newfile.
Q.16
Which command is used to display the top of the file?
Q.17
Which command is used to remove the read permission of the file 'note' from both the group and others?
Q.18
Which command is used to copy all files having the string chap and any two characters after that to the progs directory?
Q.19
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?
Q.20

The octal representationindicates

  • Execute permission for the owner
  • Write permission for others
  • Read and write permission of groups
  • All of the above
  • None of the above
Q.21

Which of the following commands is used to display the directory attributes rather than its contents?

  • ls -l -d
  • ls -l
  • ls -x
  • ls -F
  • None of the above
Q.22

Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it

  • -r
  • -x
  • -i
  • -1
  • None of the above
Q.23

Which of the following files will displayed by this command cat *ch*

  • patch
  • catch
  • .ch
  • All of the above
  • None of the above
Q.24

Which of the following directories contain all the Alias created by a user, including his login directory?

  • /tmp
  • /etc
  • /usr
  • /dev
  • None of the above
Q.25

The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

  • 000
  • 755
  • 744
  • 555
  • None of the above
Q.26

Which of the following commands is used to obtain a list of all files by modification time?

  • ls -1
  • ls -t
  • ls -i
  • ls -R
  • None of the above
Q.27

If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

  • tty ^c
  • stty intr \^c
  • stty echoe
  • stty echo \^a
  • None of the above
Q.28

The % key allows you

  • to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
  • to move the cursor to the upperleft corner of the screen
  • to move the cursor backward to the beginning of a word
  • to move the cursor to the first column in the current line
  • None of the above
Q.29

Which of the following is not a communication command.

  • write
  • mesg
  • mail
  • grep
  • None of the above
Q.30

Which command is used to display the characteristics of a process?

  • pid
  • du
  • ps
  • au
  • None of the above
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