[TUHS] Understanding the /bin, /sbin, /usr/bin, /usr/sbin Split

Warner Losh imp at bsdimp.com
Fri Feb 3 03:40:01 AEST 2012

On Feb 2, 2012, at 10:24 AM, Warner Losh wrote:

> On Feb 2, 2012, at 6:32 AM, Random832 wrote:
>> On 2/1/2012 6:12 AM, Jose R. Valverde wrote:
>>> So, beyond the point of filling up a disk (and that's the point for the partition
>>> system) there was a need to ensure you could separate user data from system data:
>>> adding user programs or data to a separate space (disk, partition, whatever)
>>> ensured the system space was not filled and the system would not become unusable.
>> The thing is, /usr isn't "user data". That's /home. /usr is just "more system space".
> /usr was user data, back in the day.  /home came about much later.
>> And this article never actually explains sbin. Or /usr/share, which is interesting because as I understand it it's designed to be shareable between multiple computers of possibly different architectures
> sbin was created in SYS Vr4 to move all the binaries that were in /etc.  /usr/share was created to move all the non-binary, non-text files that were in /etc like termcap and timezone info.

That should read 'all non-binary executables and non-config files'


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