Which shell operator is used to run jobs in the background?

Which command is used to search for a pattern in one or more files?

Which of the following commands is used for making scripts interactive?

Given:

a = 2

b = 4

Let c = a raised to the power of b

What is the value of c?

Which of the following files will not be listed using the command ls bat0[4-7]?

The command cd .. is used to move up one level in the file hierarchy.

How can we specify more than one command in the command line at the same time?

What are Commands?

What does the sl command do?

How does the -t option in the ls command sort the files?