AppleJack is a command-line interface for Mac OS X that provides a simplified user interface for single user mode system repairs. It allows for permission repair, disk repair, cache cleaning, validation of preference- and property list files, and removal of swap files on a boot drive, without needing a separate startup disk.
Famous quotes containing the words apple and/or jack:
“An apple cleft in two is not more twin
Than these two creatures.”
—William Shakespeare (1564–1616)
“This is the cow with the crumpled horn
That tossed the dog”
—Mother Goose (fl. 17th–18th century. The House That Jack Built (l. 16–17)