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Run individual cells, all stale cells, or every cell in a notebook. Notebooks use a reactive execution model that determines execution order from variable dependencies rather than cell position.

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Run all stale cells

Run all stale cells without rerunning cells that already use the latest code and inputs.
Select Run all stale cells () in the lower-right corner of the notebook.

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Rerun all cells

Rerun every cell in the notebook:
  1. Press Command+K on macOS or Control+K on Windows or Linux to open the command palette.
  2. Select Re-run all cells.

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Stop a running cell

Select the Stop button () in the cell’s toolbar to stop the running cell.

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Disable or enable a cell

Prevent a cell, and its dependencies, from running.
  1. Press Esc to enter command mode.
  2. Press Command+P on macOS or Control+P on Windows or Linux to open the command palette
  3. From the dropdown menu, select Disable execution.

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Restart the notebook runtime

Restart a notebook’s kernel to stop the current kernel and start a new one.
  1. Select action ( ) in the upper-right corner of the notebook.
  2. From the dropdown menu, select Restart kernel.
For more information, see Disabling cells.