Update alternatives

To alter the “alternative” of one:

update-alternatives --config <name>

Fx.:

update-alternatives --config editor

List alternatives:

update-alternatives --list <name>

Fx.:

$ update-alternatives --list editor
/bin/ed
/bin/nano
/usr/bin/mcedit
/usr/bin/vim.tiny

Set an alternative directly:

update-alternatives --set editor /usr/bin/vim.tiny