Log rolling assistance

[scott at MIT.EDU (Scott Ehrlich)]

I am trying to find proper way to roll system logs (/var/log/messages,
/var/log/syslog) to make them smaller and offload older ones for
archiving.

What utility/command is responsible for management of these log files, and
what is the best way to roll them?  I plan to date-stamp the file names
(alrady being done for something else) once the proper UNIX command(s) for
proper rolling is revealed.

This is for a Slackware 7 system, using kernel 2.2.15.

Thanks. 

Scott

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