At work, I use iTerm2 as my main terminal emulator. For quick access, I have
it configured to drop down from the top of the screen when
F12 is pressed.
Unfortunately, it also shows up in the application switcher, bumping up into
the 'last used' position whenever it's activated and getting in the way. Since
I already have access to the terminal via
F12, there's no need for it to be
shown in the application switcher as well.
Changing how an application behaves can be done by editing its
file. The key
LSUIElement (according to the Apple documentation)
"Specifies whether the app is an agent app, that is, an app that should not
appear in the Dock or Force Quit window."
To set this key, open the application's
/Applications/[application name].app/Contents/Info.plist and add
<key>LSUIElement</key><true/> after the first
<dict> tag. The result should
look something like this:
1 2 3 4 5 6 7 8
LSUIElement key is set to
true, relaunch the application to see the
Be warned that not only does this remove the application from the application switcher, it also removes it from the dock and stops it from showing the menu bar on the top of the screen.