Unix - Study Mode

[#101] Multiple directories can be removed using single rmdir command.
Correct Answer

(A) True

[#102] Which of the following functions can be performed using signal system call?
Correct Answer

(D) ignore the signal, restore the default and invoke a signal handling function

[#103] To add elements to the left side of the array . . . . . . . . function is used.
Correct Answer

(D) unshift

[#104] Which of the following shell doesn't support the command substitution using $ recommended by POSIX?
Correct Answer

(D) bourne

[#105] . . . . . . . . option is used with paste command if we want to specify our own delimiter.
Correct Answer

(A) -d