One Quickie

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Unwedging stuck boots (Unix->Hacks)

If I go longer than a week or so between reboots, it (Mavericks) literally takes forever (I counted) for it to actually boot. Verbose mode shows fsck runs (and actually completes, but it hangs.) If that happens to you regularly, try this:

// Boot into single-user mode with command-S on power-on
# /sbin/fsck -fy
# /sbin/mount -uw /
# mv /var/folders /var/folders-dorked
# reboot

Nearly instant boot again.