Unix - Study Mode

[#581] Which one of the following commands will be used to delete all the instances of string 'manager' in file003?
Correct Answer

(A) 1,$s/manager/ /g

[#582] Which system call is used to set a timer that generates the SIGALARM signal?
Correct Answer

(B) alarm

[#583] Which command is used by the system administrator to set the date of the system?
Correct Answer

(C) date

[#584] Which of the following statement is not true?
Correct Answer

(B) y and yy are same

[#585] Which of the following files are known as special files in UNIX?
Correct Answer

(D) /dev/null and /dev/tty