Top 550+ Solved Operating System Architecture MCQ Questions Answer
Q. The tail command in UNIX……
a. can be used to look at the tail or bottom of the file
b. can be used to display the list of last 10 files in the current directory
c. can be used to display the list of last 15 in the current directory
d. none of the above
Q. Which of the following command the file names in multiple columns?
a. is–x
b. is
c. is–1
d. is–f–x
Q. Which command is used to display the device name of the terminal you are using?
a. who
b. ls
c. tty
d. stty
Q. Which command allows you to view your file 24 lines at a time ?
a. more
b. cat
c. pg
d. none of the above
Q. Which of the following changes permission to deny write permission to group and others?
a. chmod go-w filex
b. chmod go w filex
c. chmod go=w file
d. none of the above
Q. The tar command in UNIX
a. used to create compressed archives of directories and files
b. used to extract directories and files from an archives
c. both a and b
d. none of the above
Q. Which command is used to sort the lines of data in a file in reverse order
a. sort
b. sh
c. st
d. sort -r