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- BELL [DUAL MODE]
-
- NAME BELL - Make an audible sound on the speaker.
-
- SYNTAX
-
- bell [frequency duration]* [/NOD] OR
- bell -F file OR
- bell /H | /?
-
- USAGE
-
- Bell is used to play a tune of the given frequency and
- duration on the speaker. It can be given multiple such
- pairs on the command line or the pairs can be given in a
- file. If the parameters are in a file, each pair must be
- on a separate line. That is: do not write multiple
- frequency duration pairs to the same line in the file.
-
- Bell can be given a default frequency and duration with
- environment variables BELLFREQ and BELLDUR. When bell is
- started with parameters are given, it uses the values
- given in these environment variables. If beither of these
- values or both are missing, and bell is started without
- parameters, it reads the from the standard input. This
- can be forced also with the /NOD-option, when environemt
- variables are set.
-
- SEE ALSO
-
-