ruby - The rvm help command output looks strange -



ruby - The rvm help command output looks strange -

when type in ubuntu terminal:

$ rvm help use

the command output looks like:

m-bm-^hm-4 rvm utilize [ruby-string] setup current shell utilize specific ruby version. ...

what m-bm-^hm-4 characters? should utilize special command read help?

this unicode characters:

∴ rvm list

ruby ubuntu rvm

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