Finding location of command executed

2018-06-02 17:19:13

Possible Duplicate:
Can a Bash script tell what directory it's stored in?

Is there a command-line function ( bash ) to find the location of the command you've executed?

I understand I could check my $PATH for things I've imported manually but there must be some way to do this. A tricky echo command or something?

除whereis ，还请参阅which type 。

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