Very Computer

Hello, I have been using Linux for a long time but this one has me
stumped. I want to turn off messages (mesg n) at 11pm and turn them back
on (mesg y) at 7am. The entries in my crontab look like this:

0 23 * * * /usr/bin/mesg n 2>&1 1>/dev/null
0 7 * * * /usr/bin/mesg y 2>&1 1>/dev/null

Apparently, the command does not get run, and I get a damned email every
time it unsuccessfully executes both lines. I have several other crontab
entries (taking pictures, deleting old files, etc.) and they all work
fine. I have read the FM, and I do not use RedHat 4.2

From the command line, if I type in:

/usr/bin/mesg y 1>/dev/null

It toggles the mesg from n to y. But if I then type in:

/usr/bin/mesg n 2>/dev/null

It has no effect. Does 'mesg' send something important to stderr? If so,
is there a way to get it to work AND to not get those damned emails from
cron?

Any help will be appreciated..
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0 23 * * * /usr/bin/mesg n 1>/dev/null 2>&1
0 7 * * * /usr/bin/mesg y 1>/dev/null 2>&1

HTH
Bill
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