UNIX MCQ Questions for Exam and Interview Preparation | Computer Science

A. process whose parent has died

B. process who has completed its execution but still has an entry in the process table

C. process which is running infinitely

D. process which runs automatically without any user interaction

A. >

B. <

C. *

D. /

A. locks terminal

B. delete a character

C. locks keyboard

D. delete a line

A. internal

B. external

C. built-in

D. directory

A. True

B. False

A. &

B. %

C. –

D. $

A. the directory may already exist in the current directory

B. there may be an ordinary file by the same name in the current directory

C. the permissions set for the current directory does not allow the creation

D. the directory may exist, there may be an ordinary file, the permissions set for the current directory does not allow the creation

A. 3

B. 2

C. 5

D. 0

A. /dev/tty

B. /dev/null

C. terminal file

D. device file

A. fork

B. pipe

C. fcntl

D. exec