Practice Pakistan's most useful MCQs for competitive exams

The field separator in cut command is specified with________________?

• (A)  -a option
• (B)  -d option
• (C)  -r option
• (D)  -x option

Answer

Submitted By :Ali Uppal

What command is used to copy a file ?

• (A)  tar
• (B)  cpio
• (C)  cp
• (D)  copy

Answer

Submitted By :Ali Uppal

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

• (A)  /tmp
• (B)  /etc
• (C)  /usr
• (D)  /dev

Answer

Submitted By :Ali Uppal

What TCP/IP protocol is used for transferring electronic mail messages from one machine to another ?

• (A)  FTP
• (B)  SNMP
• (C)  SMTP
• (D)  RPC

Answer

Submitted By :Ali Uppal

Which command is used to count just the number of characters in a file?

• (A)  wc – 1
• (B)  wc -c
• (C)  wc -w
• (D)  wc -r

Answer

Submitted By :Ali Uppal

Which command is used to copy all files having the string chap and any two characters after that to the progs directory ?

• (A)  cp chap?? progs
• (B)  cp chap* progs
• (C)  cp chap[12] /progs/*.*
• (D)  cp chap?? /progs/*

Answer

Submitted By :Ali Uppal

What command is used to set user and group quotas ?

• (A)  /sbin/usrquota
• (B)  /sbin/edquota
• (C)  /sbin/quotaon
• (D)  /sbin/quota

Answer

Submitted By :Ali Uppal

What command is used to assign executable permission to the owner of the file named “letter” ?

• (A)  chmod ugo + x letter
• (B)  chmod u + x letter
• (C)  chmod u + w letter
• (D)  chmod g + x letter

Answer

Submitted By :Ali Uppal

Which of the following subdirectory(ies) contains the device files ?

• (A)  /dev
• (B)  /bin
• (C)  /etc
• (D)  /home

Answer

Submitted By :Ali Uppal

Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3 ?

• (A)  chmod u+x emp[1-3]
• (B)  chmod 777 emp*
• (C)  chmod u+r ??? emp
• (D)  chmod 222 emp?

Answer

Submitted By :Ali Uppal