One of my most productive days was throwing away 1,000 lines of code.
When in doubt, use brute force.
We have persistent objects, they're called files.
You can't trust code that you did not totally create yourself.
In fact, we started off with two or three different shells and the shell had life of its own.
If you want to go somewhere, goto is the best way to get there.
A well installed microcode bug will be almost impossible to detect.
No amount of source-level verification or scrutiny will protect you from using untrusted code.
The X server has to be the biggest program I've ever seen that doesn't do anything for you.
It's always good to take an orthogonal view of something. It develops ideas.
I think the major good idea in Unix was its clean and simple interface: open, close, read, and write.
I don't think there are many people up in research who have strong ideas about things that they haven't really had experience with.
I have to keep up with the scientific literature as part of my job, but increasingly I found myself reading things that weren't really relevant to my academic work, but were relevant to gardening.
I wanted to separate data from programs, because data and instructions are very different.
FORTRAN was the language of choice for the same reason that three-legged races are popular.
SCCS, the source motel! Programs check in and never check out!
I am a very bottom-up thinker.
In college, before video games, we would amuse ourselves by posing programming exercises.
There's a lot of power in executing data - generating data and executing data.
I wanted to avoid, special IO for terminals.
It is only the inadequacy of the criminal code that saves the hackers from very serious prosecution.
The steady state of disks is full.
I view Linux as something that's not Microsoft-a backlash against Microsoft, no more and no less.
One is that the perfect garden can be created overnight, which it can't.
I wanted to have virtual memory, at least as it's coupled with file systems.
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