alt Hacker NewsFor vi-heads: ":" The key combo that puts you into command mode. M is "meta", which is Alt on PC or Cmd on Mac.
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ButlerianJihad • today at 7:46 AM
That is incorrect. In vi and vim, "ESC" is the key that puts you into command mode (from insert mode). Command mode is the full-screen visual mode where you enter commands by a sequence of keypresses.
":" is the key which issues "ex" commands. vi and ex are two different modes of the same editor. Any command which begins with a colon is an ex command, not a vi command, not done in "Command Mode".
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These are all conventions and you can change them, but I'm used to Meta = Opt and Super = Cmd on macOS.