setuid stuff is confusing + M$ like system restore
on
What's Wrong with Unix?
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· Score: 2, Interesting
kernel:
The semantics of setuid class of calls is very confusing. Worse, it varies from from one flavour of Unix to another.
Look at David Wagner's "Setuid Demystified" paper The graphs in pages 9, 10 and 11 are scary.
user level programs:
I use Microsoft Windows sometimes and I find the "system restore" to be a nice feature. It is just convenient to press a button than worry about depdencies when you screwed up etc. Especially useful is you are sending a laptop to your computer illiterate mother in India and expect that she is probably going to try and install some random programs. If something goes wrong, I can ask her to turn the clock back, sitting in the other side of the world.
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kernel: The semantics of setuid class of calls is very confusing. Worse, it varies from from one flavour of Unix to another.
Look at David Wagner's "Setuid Demystified" paper The graphs in pages 9, 10 and 11 are scary.
user level programs:
I use Microsoft Windows sometimes and I find the "system restore" to be a nice feature. It is just convenient to press a button than worry about depdencies when you screwed up etc. Especially useful is you are sending a laptop to your computer illiterate mother in India and expect that she is probably going to try and install some random programs. If something goes wrong, I can ask her to turn the clock back, sitting in the other side of the world.
Sudhakar