Which scientist originally formulated the equation S = f

Which command displays the manual page for another command?

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

Which command is used to display the contents of a file in Linux?

What does $# represent in a shell script?

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

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

To check if a file /tmp/data.txt is both readable and writable by the current user in a shell conditional, which test is correct?

Which symbol is used for variable substitution in shell scripting?

What does the #!/bin/bash line at the beginning of a shell script indicate?

Which operator enables process substitution?