[PLUG] patching rhel 3 or 4

[Ron Kaye Jr <rekaye1005@verizon.net>]

only familiar with patching in the wintel world.
major revisions through service packs.
regular updates- grab from microsoft through various means

how do we do this in the linux world.
how do a find what has been installed?
how do i find a patch number or level?
what do i do, where do i go to install patches.

i have rhel 3 or 4 running on a hp proliant server.

never done this before.

ron

thanks in advance.

ron 

Ron Kaye Jr
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