Undo

`Command` + `Z`

All hotkeys for Cloud9 (MacOS)

General Shortcuts Abort CLI Command	`Ctrl` + `C`
General Shortcuts Font Larger/ Smaller	`Shift` + `+` / `-`
General Shortcuts Open Settings Panel	`Command` + `,`
General Shortcuts Open Tree Panel	`Command` + `U`
General Shortcuts Outline	`Command` + `Shift` + `E`
General Shortcuts Reveal File In File Tree	`Shift` + `Command` + `L`
Clipboard Copy	`Command` + `C`
Clipboard Cut	`Command` + `X`
Clipboard Paste	`Command` + `V`
Clipboard Undo	`Command` + `Z`
Clipboard Redo	`Command` + `Shift` + `Z`
Code Manipulation Beautify Text	`Command` + `Shift` + `B`
Code Manipulation Complete	`Ctrl` + `Space`
Code Manipulation Duplicate Selection	`Command` + `Shift` + `D`
Code Manipulation Move Lines Down/ Up	`Option` + `Arrow Down` / `Arrow Up`
Code Manipulation Outdent	`Shift` + `Tab`
Code Manipulation Toggle Block Comment	`Command` + `Shift` + `/`
Code Manipulation Toggle Comment	`Command` + `/`
Code Manipulation To Uppercase	`Ctrl` + `U`
Code Manipulation To Lowercase	`Ctrl` + `Shift` + `U`
Cursor Add Cursor Above	`Ctrl` + `Option` + `Arrow Up`
Cursor Add Cursor Below	`Ctrl` + `Option` + `Arrow Down`
Cursor Add Cursor Above Skip Current	`Ctrl` + `Option` + `Shift` + `Arrow Up`
Cursor Add Cursor Below Skip Current	`Ctrl` + `Option` + `Shift` + `Arrow Down`
File Operations New File	`Ctrl` + `N`
File Operations Revert to Saved	`Ctrl` + `Shift` + `Q`
File Operations Save	`Command` + `S`
File Operations Save As	`Command` + `Shift` + `S`
Find Find	`Command` + `F`
Find Find in Files	`Command` + `Shift` + `F`
Find Find Next	`Command` + `G`
Find Find Previous	`Command` + `Shift` + `G`
Goto Goto Start/ End	`Command` + `Home` / `End`
Goto Goto File/Navigate	`Command` + `E`
Goto Goto Line	`Command` + `L`
Goto Goto Line Start/ Send	`Command` + `Arrow Left` / `Arrow Right`
Goto Goto Word Left/ Right	`Option` + `Arrow Left` / `Arrow Right`
Remove Text Remove/ Delete Line	`Command` + `D`
Remove Text Remove to Line End	`Ctrl` + `K`
Remove Text Remove to Line Start	`Command` + `Delete`
Remove Text Remove Word Left	`Option` + `Delete`
Remove Text Remove Word Right	`Option` + `Delete`
Selections Select All	`Command` + `A`
Selections Select Down/ Up	`Shift` + `Arrow Down` / `Arrow Up`
Selections Select Left/ Right	`Shift` + `Arrow Left` / `Arrow Right`
Selections Select To End/ Start	`Command` + `Shift` + `Arrow Down` / `Arrow Up`
Selections Select To Line End/ Start	`Command` + `Shift` + `Arrow Right` / `Arrow Left`
Selections Select More After/ Before	`Ctrl` + `Option` + `Arrow Right` / `Arrow Left`
Selections Select Next After/ Before	`Ctrl` + `Option` + `Shift` + `Arrow Right` / `Arrow Left`
Selections Select Word Left/ Right	`Option` + `Shift` + `Arrow Left` / `Arrow Right`
Tabs Close Tab	`Option` + `W`
Tabs Close All Tabs	`Option` + `Shift` + `W`
Tabs Close All Tabs But This	`Option` + `Ctrl` + `W`
Tabs Next Tab	`Option` + `Tab`
Tabs Previous Tab	`Option` + `Shift` + `Tab`
Tabs Toggle Console	`Ctrl` + `Esc`