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intro(8) is lacking a command status explanation, added.

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PR:	36448
No objections from:	ru
MFC after:	3 days
This commit is contained in:
Tom Rhodes 2002-04-09 21:05:18 +00:00
parent 231b8f199f
commit a8f838798e
1 changed files with 11 additions and 0 deletions
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11
share/man/man8/intro.8
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@ -65,6 +65,17 @@ The section
.Ql Xr crash
should be consulted to understand how to interpret system
crash dumps.
.Pp
All commands set an exit status.
Its value may be tested
to see if the command completed normally.
Unless otherwise noted (rare), the value 0 signifies successful
completion of the command, while a value >0 indicates an error.
Some commands attempt to describe the nature of the failure by using
error codes defined in
.Xr sysexits 3 ,
or set the status to arbitrary values >0 (typically 1), but many
such values are not described in the manual.
.Sh HISTORY
The
.Nm