I was trying to install a package using pkg_add when I realized I was in
/etc instead of /.  So I CTRL-C out and switched to /.  Suddenly /etc was
gone.  Someone please tell me this was a disk error that will be magically
fixed on reboot somehow.

If not - how did I do this?  Is there anyway to recover without
reinstalling a new /etc directory?
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  -----BEGIN GEEK CODE BLOCK-----
  Version: 3.1a
  GS/J$ d--(++) s+:>- a>--- C+$(++++) UB++$>++++ P+++ L+ E--- W+++ N+ o K !w---
  O? M++ V-- PS++>$ PE-- Y++ PGP+ tO-/N+/9+/V--- 5++ X++ R+++>$ tv b+ DI++ D--
  G e++++ h-@ r+++ y+++
  ------END GEEK CODE BLOCK------