Given the following output from the ls command, how many other files are hard linked with file$3?$ drwxr$-$xr$-$x $3$ root root $4096$ Apr $807$:$12$ Desktop $-$rw$-$r$--$r$--3$ root root $282$ Apr $2922$:$06$ file$1-$rw$-$r$--$r$--1$ root root $282$ Apr $2922$:$06$ file$2-$rw$-$r$--$r$--4$ root root $282$ Apr $2922$:$06$ file$3-$rw$-$r$--$r$--2$ root root $282$ Apr $2922$:$06$ file$4-$rw$-$r$--$r$--1$ root root $282$ Apr $2922$:$06$ file$5-$rw$-$r$--$r$--1$ user$1$ sys $282$ Apr $2922$:$06$ file$6$