How to run multiple Unix commands in one time?

Question

I\'m still new to Unix. Is it possible to run multiple commands of Unix in one time? Such as write all those commands that I want to run in a file, then after I call that file,

Answer 1

If you want to use multiple commands at command line, you can use pipes to perform the operations.

grep "Hello"  | wc -l

It will give number of times "Hello" exist in that file.