<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 2025 Apr 29, at 20:52, Rik Farrow <rik@rikfarrow.com> wrote:</div><br class="Apple-interchange-newline"><div><div dir="ltr">I thought so too, but found this reference to a Version 1 mkdir:<div><br></div><div><a href="https://man.cat-v.org/unix-1st/1/mkdir">https://man.cat-v.org/unix-1st/1/mkdir</a></div></div></div></blockquote><div><br></div>That is the command in man(1) and always existed. System calls documentation live in man(2).</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>jaap</div><div><br><blockquote type="cite"><div><div dir="ltr"><div><br></div><div>I recall reading a Version 6 or 7 man page about mkfs that included the ability to populate a file system with some directories, and I thought that implied that users couldn't create directories. The man page referenced above hints that mkdir is run as the 'system user', presumably root, and becomes the owner of new directories.</div><div><br></div><div>Rik</div><div><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Apr 29, 2025 at 4:28 AM Jaap Akkerhuis <<a href="mailto:jaapna@xs4all.nl">jaapna@xs4all.nl</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I seem to remember that V7 was the first suystem which had a mkdir system call. That might have changed what ls -a showed.<br>
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jaap<br>
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