Which of the following special shell variables is used to process number of the current shell ?

Related Mcqs:

What command is used to count just the number of characters in a file ?

A. wc – r B. wc – w C. wc – c D. wc – 1...

Which of the following commands can be used to get information about yourself ?

A. who am i B. i /4 C. pwd D. which...

The location of some system configuration and system administrator executable files, is________________?

A. /home B. /proc C. /var D. /sbin...

What file specifies the order in which to use specified name services ?

A. /etc/services B. /etc/nsorder C. /etc/nsswitch.conf D. /etc/hosts...

In OSI network architecture, the dialogue control and token management are responsible of________________?

A. data link layer B. transport layer C. network layer D. session layer...