Windows
Ctrl + Alt + Up Column selection up
Ctrl + Alt + Down Column selection down
Linux
Alt + ⇧ + Up Column selection up
Alt + ⇧ + Down Column selection down

Navigation/Goto Anywhere
Ctrl + P Quick-open files by name
Ctrl + R Goto symbol
Ctrl + ; Goto word in current file
Ctrl + G Goto line in current file

General
Ctrl + ⇧ + P Command prompt
Ctrl + KB Toggle side bar
Ctrl + ⇧ + Alt + P Show scope in status bar

Find/Replace
Ctrl + F Find
Ctrl + H Replace
Ctrl + ⇧ + F Find in files

Tabs
Ctrl + ⇧ + t Open last closed tab
Ctrl + PgUp Cycle up through tabs
Ctrl + PgDn Cycle down through tabs
Ctrl + ⇆ Find in files
Ctrl + W Close current tab
Alt + [NUM] Switch to tab number [NUM] where [NUM] <= number of tabs

Split window
Alt + ⇧ + 2 Split view into two columns
Alt + ⇧ + 1 Revert view to single column
Alt + ⇧ + 5 Set view to grid (4 groups)
Ctrl + [NUM] Jump to group where num is 1-4
Ctrl + ⇧ + [NUM] Move file to specified group where num is 1-4

Bookmarks
Ctrl + F2 Toggle bookmark
F2 Next bookmark
⇧ + F2 Previous bookmark
Ctrl + ⇧ + F2 Clear bookmarks

Text manipulation
Ctrl + KU Transform to Uppercase
Ctrl + KL Transform to Lowercase