At https://docs.kde.org/stable5/en/krusader/krusader/keyboard-commands.html, I see "After Ctrl+Down arrow you are in the Terminal emulator and you can type any command you desire." I found that to not work, which turned out to be because Settings -> Show Embedded Terminal was unchecked. The documentation should mention having to check that beforehand.
Git commit 51feb1aa32354bad728cb84f7031adb0228f2f38 by Yuri Chornoivan. Committed on 16/04/2021 at 06:31. Pushed by yurchor into branch 'master'. Add a condition to use the Terminal shortcut M +1 -0 doc-extras/ChangeLog M +2 -1 doc/keyboard-commands.docbook https://invent.kde.org/utilities/krusader/commit/51feb1aa32354bad728cb84f7031adb0228f2f38