From mboxrd@z Thu Jan 1 00:00:00 1970 From: ron@ronnatalie.com (Ron Natalie) Date: Wed, 23 Mar 2016 20:47:22 -0400 Subject: [TUHS] Early non-Unix filesystems? In-Reply-To: References: <20160318004832.GA18245@minnie.tuhs.org> <20160318084234.GB64087@server.rulingia.com> <24e7ae828a0086db2f79ea66165b80bf.squirrel@webmail.yaccman.com> <1458323139.767071.553262498.2A8E1982@webmail.messagingengine.com> <82f0876de76c486a95d1091c88279546.squirrel@webmail.yaccman.com> <20160321214355.GA86793@eureka.lemis.com> <7f19bd2388c2ea3a5b4de8ec060f275f.squirrel@webmail.yaccman.com> <001601d18564$9f79d2c0$de6d7840$@ronnatalie.com> Message-ID: <002101d18566$bacf4800$306dd800$@ronnatalie.com> The nand gate fix wasn't to fix a bug in MTPI but rather to allow access to the user-I from the program itself, primarily to make the *abomination* nargs() function work. I don't believe DEC ever worried about "fixing" this as none of the DEC OS's and not even the stock UNIXes could even implement such a problem. You could chew up some processor time, but you couldn't absolutely lock things out.