Can't open terminal because of settings

Question

Hello. I have a problem with my terminal: I can't open it. I have done a thing like written here

I have checked 'Run a custom command instead of my shell' and typed in 'echo Hello World'. Now I can't open terminal - whenever I try nothing doesn't apear, so I can't change back the settings. Any idea of how could I fix it?

Answer 1

There might be simpler ways around this.

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In many desktop environments, you can run an arbitrary command via the GUI. A common shortcut for this is AltF2. Just run gnome-terminal -x sleep 10h.

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Or: Login to a TTY (CtrlAltF1-F6). Run DISPLAY=:0 gnome-terminal -x sleep 10h.

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Or: You might have another terminal emulator installed, say xterm. Run it, and then gnome-terminal -x sleep 10h.

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Or:

1. Open your file manager, and go to /usr/share/applications
2. Find gnome-terminal.desktop, and copy it somewhere (your ~/Desktop, or ~, etc.)
3. Edit the copy (probably can be done by right clicking and choosing Open With, and then picking an editor)
4. Change Exec=gnome-terminal to Exec=gnome-terminal -x sleep 10h
5. The copied file should be showing the GNOME Terminal icon. If it isn't, right click it, go to Properties and ensure that it is executable.
6. Double-click the copy to execute it, which should launch an instance of GNOME Terminal running sleep 10h.

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You now have 10 hours to undo whatever you did.