`type -a ls` produce three identical ls address

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When I check the ls command, there exist a series of them:



$ type -a ls
ls is /usr/local/opt/coreutils/libexec/gnubin/ls
ls is /usr/local/opt/coreutils/libexec/gnubin/ls
ls is /usr/local/opt/coreutils/libexec/gnubin/ls
ls is /bin/ls


If view them from the folder



$ ls /usr/local/opt/coreutils/libexec/gnubin/ | grep "ls"
false
ls


It's single one ls command rather than three.



What's the reason, type -a produce three identical /usr/local/opt/coreutils/libexec/gnubin/ls?






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    up vote
    0
    down vote

    favorite












    When I check the ls command, there exist a series of them:



    $ type -a ls
    ls is /usr/local/opt/coreutils/libexec/gnubin/ls
    ls is /usr/local/opt/coreutils/libexec/gnubin/ls
    ls is /usr/local/opt/coreutils/libexec/gnubin/ls
    ls is /bin/ls


    If view them from the folder



    $ ls /usr/local/opt/coreutils/libexec/gnubin/ | grep "ls"
    false
    ls


    It's single one ls command rather than three.



    What's the reason, type -a produce three identical /usr/local/opt/coreutils/libexec/gnubin/ls?






    bash






    share







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      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      When I check the ls command, there exist a series of them:



      $ type -a ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /bin/ls


      If view them from the folder



      $ ls /usr/local/opt/coreutils/libexec/gnubin/ | grep "ls"
      false
      ls


      It's single one ls command rather than three.



      What's the reason, type -a produce three identical /usr/local/opt/coreutils/libexec/gnubin/ls?






      bash






      share







      New contributor




      rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      When I check the ls command, there exist a series of them:



      $ type -a ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /usr/local/opt/coreutils/libexec/gnubin/ls
      ls is /bin/ls


      If view them from the folder



      $ ls /usr/local/opt/coreutils/libexec/gnubin/ | grep "ls"
      false
      ls


      It's single one ls command rather than three.



      What's the reason, type -a produce three identical /usr/local/opt/coreutils/libexec/gnubin/ls?






      bash




      bash





      share







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      rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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