I want to know which Mac OS X versions support the lsof command. Does Mac OS X 10.5 support it?

  • Support, or ship with? (They may, of course, be one and the same.)
    – zigg
    Feb 14, 2014 at 13:14

1 Answer 1


lsof has been available since OS X 10.5. From the manual page :

   Lsof  revision 4.87 lists on its standard output file information about
   files opened by processes for the following UNIX dialects:

        Apple Darwin 9 and Mac OS X 10.[567]

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