说明： FileEdit can edit file ,save file ,open file ,have basic simple functions for file .INSERT, BACKSPACE ,TAB,PGUP,PGDOWN,UP,DOWN,LEFT,RIGHT AND SO ON (FileEdit can edit file, save file, open file, have basic simple functions for file. INSERT, BACKSPACE, TAB, PGUP, PGDOWN, UP, DOWN, LEFT, RIGHT AND SO ON)
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