Bob replied:

 >You have choice period. Linux is a choice, your sentence does not parse.

The sentence did parse.  With Linux you have choice.

Linux is a choice. There are many versions, same as windows. There are
different vendors for linux whereas windows has only one.

You have the choice of distro and apps

Apps are a choice too.

which make it difficult for works to be effective.  Because so few people use

> the same stuff...

Why do they have to use the same stuff? What do you mean by "effective"?

Rich