My /var directory was just recently cleared out, and I lost all my hacks. The TiVo will do that when the log files get to large. So just be sure to clear your log files(/var/log) every so often. My series 1 went about 2 years before /var was killed.
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-Michael

#040103696 on a shelf
Mk2a - 90 GB - Red - Illuminated buttons