On Tue, 19 May 1998 14:42:09 +1000, "Desie Hay" &lt;desieh(a)southcom.com.au&gt; wrote: A quick look downstairs shows that I have a complete copy of DOS 1.1. According to "Upgrading and Repairing PCs 4th Ed.", PC-DOS was versioned as follows: <------------------------- File Sizes ------------------------------> Ver. File Dates Command.Com IBMBIO.COM IBMDOS.COM === ======== ============ =========== =========== 1.0 8/4/81 3231 bytes 1920 bytes 6400 bytes 1.1 5/7/82 4959 bytes 1920 bytes 6400 bytes According to other charts, there were no differences in the available internal and external commands, so I don't readily understand the difference in the command interpreter file sizes (patches??) I'm sure that I can find some way to get you the 1.1 diskette. ------------------------------ Rich Cini/WUGNET &lt;nospam_rcini(a)msn.com&gt; (remove nospam_ to use) ClubWin! Charter Member (6) MCP Windows 95/Windows Networking Collector of classic computers <<<========== Reply Separator ==========>>>