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Talk about what the user needs to do to get the snp devices, and how

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watch(8) will try to help them by loading the module.

PR:		25420
This commit is contained in:
Dima Dorfman 2001-11-24 17:02:58 +00:00
parent 6e2867d22b
commit d3573aab8e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=86867
2 changed files with 19 additions and 2 deletions
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7
share/man/man4/snp.4
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@ -18,6 +18,12 @@
.Sh DESCRIPTION
/dev/snp? are snoop devices which allow user to attach to any tty
and watch activities on it.
The kernel must be compiled with
.Cd "device snp" ,
or the
.Nm
device must be loaded,
for these devices to be available.
.Pp
To associate a given
.Nm
@ -50,6 +56,7 @@ and detached.
.Sh SEE ALSO
.Xr pty 4 ,
.Xr sio 4 ,
.Xr kldload 8 ,
.Xr watch 8
.Sh RESTRICTIONS
Only the superuser may access the

14
usr.sbin/watch/watch.8
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@ -14,7 +14,16 @@
.Op Ar tty
.Sh DESCRIPTION
.Nm Watch
allows the user to examine all data coming through a specified tty.
allows the user to examine all data coming through a specified tty
using the
.Xr snp 4
device.
If the
.Xr snp 4
device is not available,
.Nm
will attempt to load the module
.Pq Nm snp .
.Nm Watch
writes to standard output.
.Pp
@ -91,7 +100,8 @@ control-X is passed to the terminal as with other control characters.
.Sh SEE ALSO
.Xr pty 4 ,
.Xr sio 4 ,
.Xr snp 4
.Xr snp 4 ,
.Xr kldload 8
.Sh BUGS
No terminal emulation is performed.
All user output is reproduced as-is.