Software Engineering Mcqs

Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories ?

• (A)  rm *
• (B)  rm -r *
• (C)  rm all
• (D)  rm *.*

Answer

Submitted By :Ali Uppal

Which of the following commands is used to have a two-way communication with any person who is currently logged in ?

• (A)  mail
• (B)  mesg
• (C)  write
• (D)  grep

Answer

Submitted By :Ali Uppal

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