usr.bin/file/magdir/freebsd

# the following are for 386BSD/FreeBSD

0       long                    0410            pure executable
0       long                    0413            demand paged executable
0       long&077777777          041400314       FreeBSD/i386 demand paged
>3      byte                    &0x80
>>20    long                    <4096           shared library
>>20    long                    =4096           dynamically linked executable
>>20    long                    >4096           dynamically linked executable
>3      byte                    ^0x80           executable
>16     long                    >0              not stripped