Practice Pakistan's most useful MCQs for competitive exams

Which of the following keys is used to overstrike a whole line ?

• (A)  R
• (B)  v
• (C)  C
• (D)  u

Answer

Submitted By :Ali Uppal

Which operator will be used with chmod command to assign absolute permission ?

• (A)  +
• (B)  –
• (C)  =
• (D)  %

Answer

Submitted By :Ali Uppal

Which command is used to display the device name of the terminal you are using ?

• (A)  who
• (B)  ls
• (C)  tty
• (D)  stty

Answer

Submitted By :Ali Uppal

You can append to a file instead of overwriting by using the_______________?

• (A)  > symbols
• (B)  >> symbols
• (C)  < symbols
• (D)  << symbols

Answer

Submitted By :Ali Uppal

Which of the following commands is used to view your file 24 lines at a time ?

• (A)  pg
• (B)  cat
• (C)  lp
• (D)  /p

Answer

Submitted By :Ali Uppal

The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has________________?

• (A)  executable permission only
• (B)  write and executable permissions
• (C)  both read and executable permissions.
• (D)  both read and write permissions

Answer

Submitted By :Ali Uppal

What command is used to display and create files ?

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

Answer

Submitted By :Ali Uppal

Which program is used to automatically install Red Mat Linux on identical hardware ?

• (A)  bzimage.img
• (B)  tar
• (C)  ghost
• (D)  mkkickstart

Answer

Submitted By :Ali Uppal

Which of the following format of partition tables does Linux use ?

• (A)  Linux
• (B)  BSD
• (C)  UnixWare
• (D)  DOS

Answer

Submitted By :Ali Uppal

Which command is used to concatenate all files beginning with the string ’emp’ and followed by a non-numeric characters ?

• (A)  cat emp[!0-9]
• (B)  more [emp][!0-9]
• (C)  cat emp[x-z]
• (D)  cat emp[a-z]

Answer

Submitted By :Ali Uppal