This config file makes page up/down and home/end on OS X act like they do on any respectable OS.

cat > ~/Library/KeyBindings/DefaultKeyBinding.dict {     /* home */     "\UF729"  = "moveToBeginningOfLine:";     "$\UF729" = "moveToBeginningOfLineAndModifySelection:";

    /* end */     "\UF72B"  = "moveToEndOfLine:";     "$\UF72B" = "moveToEndOfLineAndModifySelection:";

    /* page up/down */     "\UF72C"  = "pageUp:";     "\UF72D"  = "pageDown:"; } from here.