Reverting "Prefixing all code names of commands with 'nbls'.", as more time will be needed to discuss, validate the patch and adjust to it.

[lahodaj]

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[lahodaj]

Done using:

git apply --reverse --cached /tmp/6015.diff
git commit

where /tmp/6015.diff is the patch from PR #6015.

[sdedic]

Hopefully OK.