$ ^geomtry^geometry
Nov. 4, 2011, 7:10 a.m. — Janos
This can be very useful for example after a mistyped command like this:
convert -crop 745x845+0+150 my_logo.png -geomtry 400x my_logo2.png ^geomtry^geometry
"-geomtry" should have been "-geometry", the one-liner above will re-run the command with a replacement that fixes the typo.