Passing multiple parameters via xargs

I’d like to be able to use xargs to execute multiple parameters in different parts of a command.

When is xargs needed?

The xargs command always confuses me. Is there a general rule for it?

I want to find some files and then move them.

Why does xargs strip quotes from input text?

I’m confused about the difference or advantage (if any) of running a set of tasks in a .sh script using GNU parallel

I have a file that contains a list of names. i.e.:

need to search for something in entire content

I have about 10 php.ini files on my system, located all over the place, and I wanted to quickly browse through them. I tried this command:

Bash 4.2 on CentOS 6.5:

I am trying to delete all the files with a space in their names. I am using following command. But it is giving me an error