> For example suppose you run a command line program that has some sort of a persistent state. `$ SOME_ENVVAR=... some_command <args>` > Then some time after

> For example suppose you run a command line program that has some sort of a persistent state. `$ SOME_ENVVAR=... some_command <args>` > Then some time after that you run it again: `$ some_command <args>` This is absolutely no different from the following: > For example suppose you run a command line program that has some sort of a persistent state. `$ some_command --some-arg=value <args>` > Then some time after that you run it again: `$ some_command <args>`