I painstakingly entered so many bytes into DEBUG from the back pages of PC Magazine. It was an amazing experience when they added the ability to pay $4.95 or something cheap (for the time) to access "ZiffNet" as a walled-off section of CompuServe and download the utilities from there.

For those who want to re-live the moment, look at this PDF starting on internal page 873 (file page 894): http://vtda.org/books/Computing/OperatingSystems/DOSPowerToo...