Practice Pakistan's most useful MCQs for competitive exams

What command is used to remove jobs from the print queue ?

• (A)  lpq
• (B)  lpr
• (C)  lprm
• (D)  lpc

Answer

Submitted By :Ali Uppal

What command is used to add printing jobs to the queue ?

• (A)  lpd
• (B)  lpr
• (C)  lpq
• (D)  lpc

Answer

Submitted By :Ali Uppal

What file specifies the order in which to use specified name services ?

• (A)  /etc/services
• (B)  /etc/nsorder
• (C)  /etc/nsswitch.conf
• (D)  /etc/hosts

Answer

Submitted By :Ali Uppal

Which command is used with vi editor to move the cursor to the left ?

• (A)  i
• (B)  j
• (C)  k
• (D)  h

Answer

Submitted By :Ali Uppal

Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files ?

• (A)  -l
• (B)  -d
• (C)  -r
• (D)  -b

Answer

Submitted By :Ali Uppal

Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file ?

• (A)  ls -F -x
• (B)  ls -l
• (C)  ls ~ x
• (D)  Ip

Answer

Submitted By :Ali Uppal

The cp command uses___________________?

• (A)  standard input file
• (B)  standard output file
• (C)  both input and output file
• (D)  neither standard input nor standard output file

Answer

Submitted By :Ali Uppal

Which command is used to display a file contents in octal form ?

• (A)  cd
• (B)  od
• (C)  of
• (D)  oct

Answer

Submitted By :Ali Uppal

Which of the following keys is used to replace a single character with new text ?

• (A)  S
• (B)  s
• (C)  r
• (D)  C

Answer

Submitted By :Ali Uppal

Which command is used to display and create files ?

• (A)  cat
• (B)  vi
• (C)  ed
• (D)  lyrix

Answer

Submitted By :Ali Uppal