Parallel processing or threading in Shell scripting

Question

I am writing a script in shell in which a command is running and taking 2 min. everytime. Also, there is nothing we can do with this. But if i want to run this command 100 t

Answer 1

GNU Parallel is what you want, unless you want to reinvent the wheel. Here are some more detailed examples, but the short of it:

ls | parallel gzip # gzip all files in a directory