wget -c ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_4.88.tar.bz2
tar -xjf lsof_4.88.tar.bz2
cd lsof_4.88
tar -xf lsof_4.88_src.tar
cd lsof_4.88_src
(echo yes; echo no) | ./Configure linux
make # Doesn't mind -j#
install -m 4755 -o root lsof /usr/bin
install -m 444 lsof.8 /usr/man/man8