A. Shadow
B. password
C. profile
D. All the three
✅ The correct answer is option B.
Basic of linux unix 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 *.*
✅ The correct answer is option B.
The agency that sits between the user and the UNIX system is called the________________?
A. logic
B. profile
C. shell
D. erxc
✅ The correct answer is option C.
Which file is used to configure which filesystems are mounted ?
A. /etc/mount.sys
B. /etc/filesys
C. /etc/sysconfig
D. /etc/fstab
✅ The correct answer is option D.
Which of command is used to copy a file ?
A. copy
B. cp
C. cpio
D. tar
✅ The correct answer is option B.
Which of the following subdirectory(ies) contains the system boot scripts?
A. /dev
B. /bin
C. /etc
D. /home
✅ The correct answer is option C.
Which class network is used for a collection of a small number of networks with a large number of nodes ?
A. Class A
B. Class B
C. Class C
D. All of the above
✅ The correct answer is option A.
After you have compiled your kernel, what do you have to edit to boot your new kernel image ?
A. /boot/lilo.conf
B. /etc/conf.modules
C. /etc/named.boot
D. /etc/lilo.conf
✅ The correct answer is option D.
What command is used with file named ‘letter’ to remove the executable permission from the user and assign read permission to the group and others ?
A. chmod go + x, u – x letter
B. chmod g – x, uo + r letter
C. chmod go + r, u + x letter
D. chmod u – x, go + r letter
✅ The correct answer is option D.
What command is used to sort the lines of data in a file in alphabetical order ?
A. sort – r
B. st
C. sh
D. sort
✅ The correct answer is option D.