$ ldd paq7
        linux-gate.so.1 (0xf77e8000)
        libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xf762d000)
        libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf75d8000)
        libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf75ba000)
        libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7403000)
        /lib/ld-linux.so.2 (0x56634000)

$ ./paq7
paq7 compressor/archiver (C) 2005, Matt Mahoney.
Free under GPL, http://www.gnu.org/licenses/gpl.txt

To compress: paq7 [-option] archive files...  (archive will be created)
Or (Windows): dir/b | paq7 archive  (file names read from input)
To decompress/compare: paq7 archive [files...] (defaults to stored names)
To view contents: more < archive

Options are -1 to -5 (use 62, 96, 163, 296, 525 MB memory), default -3
You can't add/extract single files.  Max total file size is 2GB
Time 0.00 sec, memory 8463616 bytes