20/04/02 22:11:52 mH0OQczo.net
which -- locate a program file in the user's path
command - execute a simple command
-v
Write a string to standard output that indicates the pathname or command that will be used by the shell, in the current shell execution environment (see Shell Execution Environment), to invoke command_name, but do not invoke command_name
以下省略するが読め
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