ctrl-shift-P
Select up
ctrl-shift-N
Select down
ctrl-shift-B
Select previous character
ctrl-shift-F
Select next character
alt-shift-left
Select to beginning of word
alt-shift-right
Select to end of word
cmd-shift-right
Select to end of line
cmd-shift-left
Select to first character of line
cmd-shift-up
Select to top of file
cmd-shift-down
Select to bottom of file
cmd-A
Select the entire buffer
cmd-L
Select entire line
ctrl-shift-W
Select current word