Could somebody tell me if this is a reasonable partitioning scheme for some work machines:

/ 4 GB
/boot 100 MB
swap 950 MB
/var 512 MB
/tmp 512 MB
/usr 13 GB

Thanks.

The boot & swap look a little too big. They often say you need 2x your ram for swap, but I think that's a bit outdated. You probably shouldn't have more than ~500mb for swap. ~20mb would be good for boot, there isn't much stuff in there. To fill up 100mb, you'll probably have to have like 50 different kernels to choose from in your bootloader.

Other than that, does everything sound reasonable?

I agree with AAA the Swap Partition does look a little too big should`t need to go over 500MB unless your really short on ram on your system and the boot you can probably get away with at least half that size.

Also the individual /var /tmp and /usr partitions aren`t really near as important as a /home partition. You can get away without those three, cause that can all be dumped into the / partition, of course you can seperate it all if you really want to. But a seperate /home partition is really important `cause this is where all your personal work, documents, downloads and desktop and menu configurations for all of your users will be stored. So with all this personal data in a seperate partition you won`t lose it if you have to reformat your / drive because of problems or you decide to change distros or such. It also makes it easier to upgrade without losing all your personal stuff. Just my

Yeah, I forgot to mount /home. Is it a big enough mistake to go back and reinstall?

Only if you plan on saving a lot of documents and work in there that you don`t want to lose if something goes wrong with your system. Otherwise it`s all just going to be saved in a folder on the same drive as your /