Section $2$ Extended Regular ExpressionsThe line begins with a lowercase

letter, followed by one or more non$-$newline characters, followed by

either the word $$license$$ in all lowercase or the word $$software$$

in all lowercase, followed by zero or more non$-$newline characters,

and the line must end with anything except for a lowercase

letter.$$Your output should look like

this:

form of a separately written license, or stated as exceptions;work thus licensed is called the

contributor$$s "contributor version".or that patent license was granted,

prior to $28$ March $2007.$free software which everyone can

redistribute and change under these terms.

$$Section $3$ Using the find Command$$Section $4$ Redirecting Output