Keywords: ProFit

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# Miscellaneous Commands

The `RMS` command may be used to reprint the RMS deviation over the currently defined set of RMS zones and RMS atoms.

Any operating system command may be run from withing ProFit by preceeding it with a `$`. The string following the `$` is passed to the operating system exactly as given and is useful for obtaining directory listings, typing, editing or copying files.