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12 votes

Where and when did the ".s" suffix for assembly-language source files originate?

I asked Ken Thompson. The s stands for source, because it was the only source at the time.
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6 votes
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Oldest UNIX I can run on my modern system?

Unix V1 kernel with Unix V2 userland runs on SimH. Can't get much older than that. See the project page for details. This page has a list with more old versions you can run. Unix V6 is much less ...
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2 votes

What was the purpose of those special user accounts in Unix?

Apart from security and segregating file management rights (e.g. after su - bin there is no risk that anything not belonging to "bin" will be damaged by rm -rf /) it is convenient when each ...
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6 votes

What was the purpose of those special user accounts in Unix?

In general, these non-human accounts exist for one of four reasons: To provide explicit deaggregated privilege separation for filesystem operations. bin is an example of this, it was the owner of all ...
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32 votes

What was the purpose of those special user accounts in Unix?

Debian includes a file which describes a number of historical accounts, with details covering more than Debian; it is shipped as /usr/share/doc/base-passwd/users-and-groups.txt.gz and its source can ...
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9 votes

What was the purpose of those special user accounts in Unix?

What were they used for? What other such special user accounts have appeared in historical Unices? These accounts are often found on Unix and Unixoid systems. Except for root their UID numbers will ...
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