From mboxrd@z Thu Jan 1 00:00:00 1970 From: jnc@mercury.lcs.mit.edu (Noel Chiappa) Date: Tue, 6 Feb 2018 20:38:25 -0500 (EST) Subject: [TUHS] Device special files Message-ID: <20180207013825.2222218C0A4@mercury.lcs.mit.edu> > From: Greg Lehey >> V3 and earlier still *called* them special files, but it seems they >> were essentially just magic inode numbers (there was no physical file >> on disk, just any directory entry with the given inode would be the >> special file). > Isn't that still the case? >From reading the manual page (URL sent earlier), in V3 and before it really was just an inode _number_ (less than 50, IIRC). The first inode, in the first disk block after the super-block, was inode #51. This is of course different from later Versions, where there is an _inode_ for devices, but still no actual _file_. Noel