Specify file manager?

I can't find this in any documentation. How does autojump know what file manager to run? I want to change the default on my system to use midnight commander?

Thanks.

On linux it uses xdg.

autojump/bin/autojump.bash

Lines 100 to 107 in 6a529f4

    
           linux*) 
        
               xdg-open "${output}" 
        
               ;; 
        
           darwin*) 
        
               open "${output}" 
        
               ;; 
        
           cygwin) 
        
               cygstart "" $(cygpath -w -a ${output})

	linux*)
	xdg-open "${output}"
	;;
	darwin*)
	open "${output}"
	;;
	cygwin)
	cygstart "" $(cygpath -w -a ${output})