Top 550+ Solved Operating System Architecture MCQ Questions Answer
Q. The agency that sits between the user and the UNIX system is called the
a. logic
b. profile
c. shell
d. erxc
Q. Which of the following commands is used to update access and modification times of a file?
a. grep
b. wc
c. touch
d. cat
Q. 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
Q. Which of the following commands is used to list contents of directories?
a. ls
b. lp
c. dir
d. tar
Q. In vi editor, forward search is performed using the command.
a. :pat
b. :pat
c. /pat
d. all of the above
Q. Which of the following command addresses all users who are currently hooked on?
a. write
b. mail
c. wall
d. mesg
Q. Which of the following directories contain all the Ales created by a user, including his login directory?
a. /tmp
b. /etc
c. /usr
d. /dev
Q. Which of the following commands is used to obtain a list of all files by modification time?
a. ls -1
b. ls -t
c. ls -i
d. ls -r
Q. The filed separator in cut command is specified with
a. -a option
b. -d option
c. -r option
d. -x option