rsc.io/unix holds programs for running old Unix programs on modern computers. pdp11 is a PDP-11 simulator. v6unix is a Research Unix Sixth Edition (V6) simulator. It is a port of the V6 kernel logic ...
Duo Unix includes a PAM module or alternatively a stand alone executable that can be used to protect programs such as SSH or Sudo. This repository is meant to be used for development or cutting edge ...