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| Command | Effect | | `:w[rite]` | Write the contents of the buffer to disk | | `:e[dit]!` | Read the file from disk back into the buffer (that is, revert changes) | | `:qa[ll]!` | Close all windows, discarding changers without warning | | `:wa[ll]` | Write all modified buffers to disk |

• If we enable the 'hidden' setting, then we can use the `:next`/`:bnext`/`:cnext` commands without a trailing bang.
• After running `:argdo {cmd}`,

* check buffers one by one: `:first`, `:wn`, etc. * save all buffers: `:argdo write` or `:wall`