Outline:

1. Quiz #9
2. Shells
   • file descriptors and fork
   • recap: redirecting input/output via < and >
   • example: redirect.c
   • chaining multiple commands via |
   • example: pipe.c
   • examples: see the Assignment 7 writeup
3. A totally irrelevant XKCD: my second favorite

Reading assignment (to be completed by the next class):

• Nothing new, just review what we’ve done so far!