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Old 07-18-2008, 06:10 PM   #1
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root unable to write on drive mounted with read/write perrmission

Following two questions were asked in interview
1. Even root unable to write on drive mounted with read/write perrmission. What could be the possible reasons.
2. All files in /proc are 0 bytes no matter what they contain. Why?

Will someone kind enough to answer these questions
Old 07-18-2008, 08:58 PM   #2
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When do you have to turn your test in?

Steve Stites
Old 07-19-2008, 02:41 AM   #3
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It's over

It's over but I still don't know the answer. Just googled a little but unable to find what I need to know.
Old 07-19-2008, 06:54 AM   #4
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1. The directory (mountpoint) is set immutable using chattr? The drive is full?

2. /proc is a virtual filesystem reflecting parts of the system in memory. Files there don't occupy disk space so are shown as 0 bytes.

Best I can do
Old 07-19-2008, 09:37 AM   #5
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Yeah ! I know that.
1. But that cannot happen accidentally. Chattr is done intentionally.
2. I said the same same about /proc system. But interviewer doesn't seems to be satisfied.
Old 07-19-2008, 12:20 PM   #6
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1.) there is no "but" - the question did not have the prerequisite of "not accidental" or "only intentionally..."
2.) they really don't "contain" anything - they are not even real files.
If he was not satisfied you could have asked where he was going with that question. (?)


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