Question
a.
$?
b.
$#
c.
!$
d.
$*
Posted under UNIX
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. What special variable has the exit status?
Similar Questions
Discover Related MCQs
Q. Another name for exit status is
View solution
Q. Passing information between programs is called.
View solution
Q. A more complete means of communication between programs is called.
View solution
Q. Which of the following is necessary in order to send a signal?
View solution
Q. A signal trap is a set of instructions
View solution
Q. Which special variable contains the PID of its own process?
View solution
Q. Each signal name begins with the letters
View solution
Q. Which signal is used to kill a running process?
View solution
Q. What is a shell script?
View solution
Q. Shell scripts need to be saved with an extension .sh .
View solution
Q. Shell scripts are executed in a separate child shell process.
View solution
Q. The first line in any shell script begins with a _____
View solution
Q. To run the script, we should make it executable first by using _____
View solution
Q. To spawn a child of our own choice for running the script, we can use ___ command.
View solution
Q. Which command is used for making the scripts interactive?
View solution
Q. read command is shell’s internal tool.
View solution
Q. A single read statement can be used with one or more variables.
View solution
Q. What are positional parameters?
View solution
Q. The first argument is read by the shell into the parameter ___
View solution
Q. The complete set of positional parameters is stored in ______ as a single string.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond UNIX? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!