Questions about: text-processing

I made a text file called contacts. txt which contains: pot 2000derek 45 snow 55 I want to get user input (a name) on which contact to remove, and delete the entire line containing that name. So far, this is what I've done: #
by SomeoneMe Last Updated February 25, 2016 05:01 AM I want to find a text file in my hard disk which contains a specific word. I want to use a graphic application. I'm on 12
sed -i 's/original/new/g' file. txt Explanation: sed = Stream EDitor -i = in-place (i. e