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It's not "older" Unix systems, it is traditional Unix systems. OpenBSD still uses static entries. It's even a relatively recent invention in Linux to have dynamic entries.

kurtm
– kurtm

2013-10-26 00:11:49 +00:00
Commented Oct 26, 2013 at 0:11
3

Also, for the sake of the record, it was (and continues to be) rater rare to need to create device files by hand. Most operating systems would populate /dev with a large number of device files on install that would cover most uses. One generally only had/have to create them with unusual hardware combinations. I do this on my OpenBSD-based serial console server that has 3 8-port serial cards.

kurtm
– kurtm

2013-10-26 00:18:20 +00:00
Commented Oct 26, 2013 at 0:18
@kurtm - expanded A based on your feedback, thanks.

slm
– slm ♦

2013-10-26 00:24:49 +00:00
Commented Oct 26, 2013 at 0:24
@slm can you add details on the technical method used to persist device files across reboots? how are they physically stored on disk? did they need special filesystem support?

strugee
– strugee

2013-11-04 00:53:07 +00:00
Commented Nov 4, 2013 at 0:53
1

@strugee - OK, I'll add it in a bit. At work now.

slm
– slm ♦

2013-11-04 17:00:15 +00:00
Commented Nov 4, 2013 at 17:00

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
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```
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