Gimp: Installation and Basic Operation

[last updated: 2022-10-27]
go to: Gimp home page
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• Install GIMP 2.10.18-1 on Mint 20:
  • Linux Menu > Software Manager
    enter "GIMP" in search bar
  • Select first item (Not the Flatpack)
    click Install (green button, top right)
    enter your login password when prompted, click Authenticate
  • When installation finishes, you can launch directly from the Software Manager window,
    or, from Linux Menu > Graphics, and select GNU Image Manipulation Program
    The first time it runs, it will do some additional setup/config stuff

  • However:
    This didn't work on my installation of Linux Mint 20.2. Attempting to install from Software manager failed for unresolvable dependency error.
    So I did this method instead:
    • $ sudo apt update && sudo apt upgrade -y
      $ sudo apt install gimp

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• Install on tower Linux Mint 21: (2022-09-23)
  • Used apt install successfully for v. 2.10.30

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• Open GIMP:
  from Linux home screen, open menu
  Graphics, then click on GIMP Image Editor
• Open an existing file:
  navigate to file location, double-click it

• Save an edited file:
  File (top menu bar) Export As ...
  select Image type, eg. jpg
  enter desired filename and location
  export, export
• Restore Missing Toolbox:
  Windows - Recently Closed Docks - Toolbox

• Note:
  After performing many functions, draw, copy, paste, etc.,
  there will still be a dotted line around the selection you were operating on.
  This is a "floating selection."
  To clear it, anchor it to your image layer (or wherever else you want it)
  with Layer > Anchor Layer
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