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MacOS Emacs Keybindings Reference for the AWS Cloud9 Integrated Development Environment (IDE)

Following is a list of Emacs keyboard mode keybindings for MacOS operating systems in the AWS Cloud9 IDE.

For more information, in the AWS Cloud9 IDE:

  1. On the menu bar, choose AWS Cloud9, Preferences.

  2. On the Preferences tab, choose Keybindings.

  3. For Keyboard Mode, choose Emacs.

  4. For Operating System, choose MacOS.

See also Working with Keybindings.

General


Description Keybinding Command
Add the selection as a watch expression Command-Shift-C addwatchfromselection
Remove the cut selection from the clipboard Esc clearcut
Show the code completion context menu Control-Space | Option-Space complete
Complete code, and then overwrite Control-Shift-Space | Option-Shift-Space completeoverwrite
Copy the selection to the clipboard Command-C copy
Cut the selection to the clipboard Command-X cut
Expand code, where applicable Tab expandSnippet
Show the find and replace bar for the current document Command-F find
Select all find matches in the current document Control-Option-G findAll
Go to the next match in the current document for the find query you entered last Command-G findnext
Go to the previous match in the current document for the find query you entered last Command-Shift-G findprevious
Display all known references to the symbol at the insertion point in the active file in the editor Shift-F3 findReferences
Open the Environment window, and then make the list of files active Shift-Esc focusTree
Reformat the selected JavaScript code Command-Shift-B formatcode
Show the go to line box Command-L gotoline
Hide the find and replace bar, if shown Esc hidesearchreplace
Go to the definition of the variable or function at the cursor F3 jumptodef
If a local Lambda function is selected in the Lambda section of the AWS Resources window, attempts to upload the function to Lambda as a remote function Command-Shift-U lambdaUploadFunction
Create a new file Control-N newfile
Show the Preferences tab Command-, openpreferences
Open a Terminal tab, then switch to the parent folder of the selected file in the list of files Command-Option-L opentermhere
Paste the clipboard's current contents at the cursor Command-V paste
Show suggestions for fixing errors Command-F3 quickfix
Redo the last action Command-Shift-Z | Command-Y redo
Refresh the preview pane Command-Enter reloadpreview
Start a rename refactor for the selection Option-Command-R renameVar
Show the find and replace bar for the current document, with focus on the replace with expression Option-Command-F replace
Rerun your initialization script Command-Enter rerunInitScript
Restart the environment Command-R restartc9
Reset the current file to its last saved version Control-Shift-Q reverttosaved
Reset each open file to its saved version Option-Shift-Q reverttosavedall
Save the current file to disk Command-S save
Save the current file to disk with a different file name Command-Shift-S saveas
Show the find and replace bar for multiple files Shift-Command-F searchinfiles
Show the Process List dialog box Command-Option-P showprocesslist
Undo the last action Command-Z undo

Tabs


Description Keybinding Command
Close all open tabs in the current pane, except the current tab Option-Control-W closeallbutme
Close all open tabs in all panes Option-Shift-W closealltabs
Close the current pane Command-Control-W closepane
Close the current tab Option-W closetab
Go one pane down Control-Command-Down gotopanedown
Go one pane left Control-Command-Left gotopaneleft
Go one pane right Control-Command-Right gotopaneright
Go one pane up Control-Command-Up gottopaneup
Go one tab left Command-[ gototableft
Go one tab right Command-] gototabright
Move the current tab down one pane, or if the tab is already at the very bottom, create a split tab there Command-Option-Shift-Down movetabdown
Move the current tab left, or if the tab is already at the far left, create a split tab there Command-Option-Shift-Left movetableft
Move the current tab right, or if the tab is already at the far right, create a split tab there Command-Option-Shift-Right movetabright
Move the current tab up one pane, or if the tab is already at the very top, create a split tab there Command-Option-Shift-Up movetabup
Go to the next pane Option-Esc nextpane
Go to the next tab Option-Tab nexttab
Go to the previous pane Option-Shift-Esc previouspane
Go to the previous tab Option-Shift-Tab previoustab
Go back to the last tab Esc refocusTab
Open the last tab again Option-Shift-T reopenLastTab
Show the current tab in the file tree Command-Shift-L revealtab
Go to the tenth tab Command-0 tab0
Go to the first tab Command-1 tab1
Go to the second tab Command-2 tab2
Go to the third tab Command-3 tab3
Go to the fourth tab Command-4 tab4
Go to the fifth tab Command-5 tab5
Go to the sixth tab Command-6 tab6
Go to the seventh tab Command-7 tab7
Go to the eighth tab Command-8 tab8
Go to the ninth tab Command tab9

Panels


Description Keybinding Command
Show the Go window in Go to Anything mode Command-E|Command-P gotoanything
Show the Go window in Go to Command mode Command-. gotocommand
Show the Go window in Go to File mode. Command-O gotofile
Show the Go window in Go to Symbol mode. Command-Shift-O gotosymbol
Show the Outline window Command-Shift-E outline
Show the Console window if hidden, or hide if shown Control-Esc toggleconsole
Show the Environment window if hidden, or hide if shown Command-U toggletree

Code Editor


Description Keybinding Command
Add a cursor one line above the active cursor, or if a cursor is already added, add another cursor above that one Control-Option-Up addCursorAbove
Add a second cursor one line above the active cursor, or if a second cursor is already added, move the second cursor up one line Control-Option-Shift-Up addCursorAboveSkipCurrent
Add a cursor one line below the active cursor, or if a cursor is already added, add another cursor below that one Control-Option-Down addCursorBelow
Add a second cursor one line below the active cursor, or if a second cursor is already added, move the second cursor down one line Control-Option-Shift-Down addCursorBelowSkipCurrent
Move all cursors to the same space as the active cursor on each of their lines, if they are misaligned Control-Option-A alignCursors
Backspace one space Control-Backspace | Shift-Backspace | Backspace backspace
Indent selection one tab Control-] blockindent
Outdent selection one tab Control-[ blockoutdent
Control whether focus can be switched from the editor to somewhere else in the IDE Command-Z | Command-Shift-Z | Command-Y cancelBrowserUndoInAce
Center the selection Control-L centerselection
Copy the contents of the line, and paste the copied contents one line down Command-Option-Down copylinesdown
Copy the contents of the line, and paste the copied contents one line up Command-Option-Up copylinesup
Delete one space Delete | Control-Delete | Shift-Delete del
Copy the contents of the selection, and paste the copied contents immediately after the selection Command-Shift-D duplicateSelection
Include the current line's contents in the selection Command-Shift-L expandtoline
Include up to the next matching symbol in the selection Control-Shift-M expandToMatching
Fold the selected code; if a folded unit is selected, unfold it Command-Option-L | Command-F1 fold
Fold all possibly foldable elements Control-Command-Option-0 foldall
Fold all possibly foldable elements, except for the current selection scope Command-Option-0 foldOther
Go down one line Down | Control-N golinedown
Go up one line Up | Control-P golineup
Go to the end of the file Command-End | Command-Down gotoend
Go left one space Left | Control-B gotoleft
Go to the end of the current line Command-Right | End | Control-E gotolineend
Go to the start of the current line Command-Left | Home | Control-A gotolinestart
Go to the next error F4 goToNextError
Go down one page Page Down | Control-V gotopagedown
Go up one page Page Up gotopageup
Go to the previous error Shift-F4 goToPreviousError
Go right one space Right | Control-F gotoright
Go to the start of the file Command-Home | Command-Up gotostart
Go one word to the left Option-Left gotowordleft
Go one word to the right Option-Right gotowordright
Indent the selection one tab Tab indent
Go to the matching symbol in the current scope Control-P jumptomatching
Increase the font size Command-+ | Command-= largerfont
Decrease the number to the left of the cursor by 1, if it is a number Option-Shift-Down modifyNumberDown
Increase the number to the left of the cursor by 1, if it is a number Option-Shift-Up modifyNumberUp
Move the selection down one line Option-Down movelinesdown
Move the selection up one line Option-Up movelinesup
Outdent the selection one tab Shift-Tab outdent
Turn on overwrite mode, or if on, turn off Insert overwrite
Go down one page Option-Page Down pagedown
Go up one page Option-Page Up pageup
Remove the current line Command-D removeline
Delete from the cursor to the end of the current line Control-K removetolineend
Delete from the beginning of the current line up to the cursor Command-Backspace removetolinestart
Delete the word to the left of the cursor Option-Backspace | Control-Option-Backspace removewordleft
Delete the word to the right of the cursor Option-Delete removewordright
Replay previously recorded keystrokes Command-Shift-E replaymacro
Select all selectable content Command-A selectall
Include the next line down in the selection Shift-Down | Control-Shift-N selectdown
Include the next space to the left in the selection Shift-Left | Control-Shift-B selectleft
Include the rest of the current line in the selection, starting from the cursor Shift-End selectlineend
Include the beginning of the current line in the selection, up to the cursor Shift-Home selectlinestart
Include more matching selections that are after the selection Control-Option-Right selectMoreAfter
Include more matching selections that are before the selection Control-Option-Left selectMoreBefore
Include the next matching selection that is after the selection Control-Option-Shift-Right selectNextAfter
Include the next matching selection that is before the selection Control-Option-Shift-Left selectNextBefore
Select or find the next matching selection Control-G selectOrFindNext
Select or find the previous matching selection Control-Shift-G selectOrFindPrevious
Include from the cursor down to the end of the current page in the selection Shift-Page Down selectpagedown
Include from the cursor up to the beginning of the current page in the selection Shift-Page Up selectpageup
Include the next space to the right of the cursor in the selection Shift-Right selectright
Include from the cursor down to the end of the current file in the selection Command-Shift-End | Command-Shift-Down selecttoend
Include from the cursor to the end of the current line in the selection Command-Shift-Right | Shift-End | Control-Shift-E selecttolineend
Include from the beginning of the current line to the cursor in the selection Command-Shift-Left | Control-Shift-A selecttolinestart
Include from the cursor to the next matching symbol in the current scope Control-Shift-P selecttomatching
Include from the cursor up to the beginning of the current file in the selection Command-Shift-Home | Command-Shift-Up selecttostart
Include the next line up in the selection Shift-Up | Control-Shift-Up selectup
Include the next word to the left of the cursor in the selection Option-Shift-Left selectwordleft
Include the next word to the right of the cursor in the selection Option-Shift-Right selectwordright
Show the Preferences tab Command-, showSettingsMenu
Clear all previous selections Esc singleSelection
Decrease the font size Command-- smallerfont
If multiple lines are selected, rearrange them into a sorted order Command-Option-S sortlines
Add a cursor at the end of the current line Control-Option-L splitIntoLines
Move the contents of the cursor to the end of the line, to its own line Control-O splitline
Surround the selection with block comment characters, or remove them if they are there Command-Shift-/ toggleBlockComment
Add line comment characters at the start of each selected line, or remove them if they are there Command-/ togglecomment
Fold code, or remove code folding if it is there F2 toggleFoldWidget
Fold parent code, or remove folding if it is there Option-F2 toggleParentFoldWidget
Start keystroke recording, or stop if it is already recording Command-Option-E togglerecording
Wrap words, or stop wrapping words if they are already wrapping Control-W toggleWordWrap
Change selection to all lowercase Control-Shift-U tolowercase
Change selection to all uppercase Control-U touppercase
Transpose selection Control-T transposeletters
Unfold the selected code Command-Option-Shift-L | Command-Shift-F1 unfold
Unfold code folding for the entire file Command-Option-Shift-0 unfoldall

emmet


Description Keybinding Command
Evaluate a simple math expression (such as 2*4 or 10/2), and output its result Shift-Command-Y emmet_evaluate_math_expression
Expand CSS-like abbreviations into HTML, XML, or CSS code, depending on the current file's syntax Control-Option-E emmet_expand_abbreviation
Traverse expanded CSS-like abbreviations, by tab stop Tab emmet_expand_abbreviation_with_tab
Go to the next editable code part Shift-Command-. emmet_select_next_item
Go to the previous editable code part Shift-Command-, emmet_select_previous_item
Expand an abbreviation, and then place the current selection within the last element of the generated snippet Shift-Control-A emmet_wrap_with_abbreviation

Terminal


Description Keybinding Command
Open a new Terminal tab Option-T openterminal
Switch between the editor and the Terminal tab Option-S switchterminal

Run and Debug


Description Keybinding Command
Build the current file Command-B build
Resume the current paused process F8 | Command-\ resume
Run or debug the current application Option-F5 run
Run or debug the last run file F5 runlast
Step into the function that is next on the stack F11 | Command-; stepinto
Step out of the current function scope Shift-F11 | Command-Shift-' stepout
Step over the current expression on the stack F10 | Command-' stepover
Stop running or debugging the current application Shift-F5 stop
Stop building the current file Control-Shift-C stopbuild
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