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

Q. Which of the following is used for storing the number of positional parameters?

View solution

Q. Which of the following operators are used for logical execution?

View solution

Q. test works in ____ ways.

View solution