How many units will the company need to sell to earn a

Which of the following is a system call used to create a new process in Unix-like operating systems?

Which command displays the manual page for another command?

In shell scripting, how do you assign the string "Hello World" to a variable named `MESSAGE`?

What is the primary purpose of the "shebang" line `#!/bin/bash` at the beginning of a shell script?

Which command is used to read user input from the keyboard and store it in a variable?

Which command is used to combine the contents of multiple files?

Which command is used to display the number of lines in a file?

In a POSIX shell script, which construct correctly tests whether variable x is an empty string?

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

Which command is used to display all currently running processes in Linux?