Re: About "program" and "command"

[Andreas Röhler]

Am 24.03.2013 13:32, schrieb Xue Fuqiao:
> The doc string of `call-process' says:
>
>    Call PROGRAM synchronously in separate process.
>
> The doc string of `call-process-shell-command' says:
>
>    Execute the shell command COMMAND synchronously in separate process.
>
> What's the different of these two functions?  In other words, what's the
> difference of "program" and "command" here?  After searching the
> archives, I found two threads[1][2], but they don't help.  So can I get
> a pointer to information on these two concepts?
>
>
> [1] http://lists.gnu.org/archive/html/help-gnu-emacs/2010-09/msg00009.html
> [2] http://lists.gnu.org/archive/html/help-gnu-emacs/2007-10/msg00059.html

Hi,

the commander, that's you. I.e. a command is a function designed for 
interactive use.
While a program is every recipe directed at computer, wherefrom wherever.

Probably most commanders here also are programmers :)

Andreas