I have Elementary OS installed on my PC and have installed RVM through the terminal.
However, when I type this
type rvm | head -1, instead of "rvm is a function", I get
rvm is hashed (/home/edson/.rvm/bin/rvm).
Any ideas as to why this is?
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As bash manual page says, "is hashed" means that the command is stored in a hash table, to be used in a more efficient way, because that prevents it from having to search $PATH every time you type the same command.
You could check hash table with "hash" command, and you could purge entries with "hash -d command".