The prompt issued by the shell is called . . . . . . . .

The prompt issued by the shell is called . . . . . . . .

Device files are used by the kernel for operating the device.

Device files are used by the kernel for operating the device.

The environment variables are available in . . . . . . . .

The environment variables are available in . . . . . . . .

Which of the following symbols are used for accessing previous commands by event

Which of the following symbols are used for accessing previous commands by event numbers?

Which of the following command is incorrect?

Which of the following command is incorrect?

Command substitution is enabled in single quotes also.

Command substitution is enabled in single quotes also.

To suppress the behavior of ‘p’ command of sed, we use . . . . . . . . option.

To suppress the behavior of ‘p’ command of sed, we use . . . . . . . . option.

What is the output of who command?

What is the output of who command?

Which of the following option is used for checking if the file is writable or no

Which of the following option is used for checking if the file is writable or not?

For adding a new user to the system, we have to use . . . . . . . . command.

For adding a new user to the system, we have to use . . . . . . . . command.

The access to the use of at and batch is restricted and controlled by . . . . .

The access to the use of at and batch is restricted and controlled by . . . . . . . . and ….

print statement is necessary for printing a line.

print statement is necessary for printing a line.