Practice Pakistan's most useful MCQs for competitive exams

The chmod ugo+rw note command can be represented in octal notation as_____________?

• (A)  chmod 555 note
• (B)  chmod 666 note
• (C)  chmod 444 note
• (D)  chmod 333 note

Answer

Submitted By :Ali Uppal

Which of following commands is used for an automatic reminder service ?

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

Answer

Submitted By :Ali Uppal

Which command is used to locate all the .profile files in the system ?

• (A)  ls profile
• (B)  find /-name profile -print
• (C)  cd /.profile
• (D)  l -u .profile

Answer

Submitted By :Ali Uppal

Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field ?

• (A)  -m.n
• (B)  +m.n
• (C)  + n.m+1
• (D)  +(m+l).n

Answer

Submitted By :Ali Uppal

The seventh field of /etc/password is________________?

• (A)  password
• (B)  login
• (C)  shell
• (D)  home

Answer

Submitted By :Ali Uppal

Which of the following options will be used to display number of blocks used by a file?

• (A)  -c
• (B)  -i
• (C)  -d
• (D)  -s

Answer

Submitted By :Ali Uppal

Which of the following commands is used to summarize the disk usage ?

• (A)  chkdsk
• (B)  fdisk
• (C)  du
• (D)  disk

Answer

Submitted By :Ali Uppal

Which of the following commands is used to list contents of directories ?

• (A)  ls
• (B)  lp
• (C)  dir
• (D)  tar

Answer

Submitted By :Ali Uppal

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