Differences

This shows you the differences between two versions of the page.

--- retro-computing [2020/09/13 21:31] – smj
+++ retro-computing [2024/09/16 07:01] (current) – – hc9
@@ Line 1: / Line 1: @@
 ====== Retro-Computing ======
-The external links here are pointed at the existing SDF HTML tutorial system
-  * [[https://sdf.org/?tutorials/unix50th|A guide to historical Unixes - Celebrating the 50th anniversary of the UNIX operating system ]]
+SDF supports multiple Retrocomputing experiences, including free user accounts on TOPS-20 and Symbolics Genera operating systems that are running live and accessible via the internet.
-  * [[https://sdf.org/?tutorials/cdc6500|CDC 6500 Survival Guide]]
-  * [[https://sdf.org/?tutorials/basic_programs|Basic Programs]]
+  * [[twenex.org_-_sdf_public_access_twenex |twenex.org – SDF Public Access TWENEX]]
+  * [[tss-8_user_tutorial |TSS-8 User Tutorial]]
+  * [[ITS |ITS – Incompatible Timesharing System]] HTML tutorial system
+  * [[unix_50th |A guide to historical Unixes – Celebrating the 50th anniversary]] a tutorial and/or tips 'n tricks
+  * [[cdc_6500_survival_guide |CDC 6500 Survival Guide]]
+  * [[basic_programs |Basic Programs]]