As Luke says, we used the TCP\/IP stack. Also the boot and locore code for both Intel and Alpha. And although we don’t have a user space for commands to run in, we did take chunks of user space code in commands like “ping” and “ifconfig” and massage them into kernel code. I don’t know the specifics, but I’d be surprised if we hadn’t found more stuff to borrow over the years.<\/p>\n
I confess that we haven’t made any dollar contributions, although if you look at the code contributions I think you’ll find that Guy Harris (also of NetApp) and myself were both early contributors. For instance, I contributed cp(1). (When I was done, “cp -R” was a good bit faster than the AT&T version. Instead of doing the copy for a directory in a single pass, I scanned the directory twice, doing files on the first pass and directories on the second. This optimized for the fact that in FFS files in a directory tend to end up in the same cylindar group, so doing the files all together reduces disk seeks.)<\/p>\n
So at the time, we figured that we gave some code, and took some code — <\/span><\/span> Not that I would object if we found a way to make a corporate contribution. We have made some source contributions to Linux, and I’ve personally made some contributions to Mozilla, so we are definitely fans of the open source movement.<\/p>\n Dave Hitz<\/span><\/p>\n <\/span><\/span><\/span><\/p>\n More interesting comments from Dave Hitz, founder and executive vice president of NetApp. I found these comments yesterday, 3\/16\/2005 on Toasters. Dave Hitz writes: Although NetApp’s OS looks nothing like BSD (it has no user space for instance, and a … Continue reading
call it even-Steven. \ud83d\ude42<\/p>\n