test and [ ] can be used for string comparison.

test and [ ] can be used for string comparison.

Which of the following is an invalid command?

Which of the following is an invalid command?

Which symbol is used with find command for specifying arguments?

Which symbol is used with find command for specifying arguments?

Every if is closed with a corresponding . . . . . . . .

Every if is closed with a corresponding . . . . . . . .

We can schedule a job to run at a specified time of day using . . . . . . . . co

We can schedule a job to run at a specified time of day using . . . . . . . . command.

Which of the following system call is used for truncating a file?

Which of the following system call is used for truncating a file?

A super user can use . . . . . . . . call for creating a directory.

A super user can use . . . . . . . . call for creating a directory.

Which command would be most suitable to remove the following files? dirx diry di

Which command would be most suitable to remove the following files? dirx diry dirz dirzw

Which one of the following command is used for killing the last background job?

Which one of the following command is used for killing the last background job?

Which option is used for printing multiple copies of a file using lp command?

Which option is used for printing multiple copies of a file using lp command?

If the child dies first but the entry of that child in the process table is stil

If the child dies first but the entry of that child in the process table is still present, then that process is called ….

Which option is used with ln command to create a soft link?

Which option is used with ln command to create a soft link?