root@fritz:/var# ./lsof -nPp 1896,1897,2144
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
sh 1896 root cwd DIR 31,1 140 3695910 /
sh 1896 root rtd DIR 31,1 140 3695910 /
sh 1896 root txt REG 31,1 486448 39 /bin/busybox
sh 1896 root mem REG 31,1 22536 626134 /lib/ld-uClibc-0.9.29.so
sh 1896 root mem REG 31,1 460172 627306 /lib/libuClibc-0.9.29.so
sh 1896 root 0u CHR 5,1 479 /dev/console
sh 1896 root 1u CHR 5,1 479 /dev/console
sh 1896 root 2u CHR 5,1 479 /dev/console
sh 1897 root cwd DIR 31,1 140 3695910 /
sh 1897 root rtd DIR 31,1 140 3695910 /
sh 1897 root txt REG 31,1 486448 39 /bin/busybox
sh 1897 root mem REG 31,1 22536 626134 /lib/ld-uClibc-0.9.29.so
sh 1897 root mem REG 31,1 460172 627306 /lib/libuClibc-0.9.29.so
sh 1897 root 0u CHR 5,1 479 /dev/console
sh 1897 root 1u CHR 5,1 479 /dev/console
sh 1897 root 2u CHR 5,1 479 /dev/console
sh 1897 root 10r REG 0,11 883 630 /var/post_install
sh 2144 root cwd DIR 31,1 140 3695910 /
sh 2144 root rtd DIR 31,1 140 3695910 /
sh 2144 root txt REG 31,1 486448 39 /bin/busybox
sh 2144 root mem REG 31,1 22536 626134 /lib/ld-uClibc-0.9.29.so
sh 2144 root mem REG 31,1 460172 627306 /lib/libuClibc-0.9.29.so
sh 2144 root 0u CHR 5,1 479 /dev/console
sh 2144 root 1u CHR 5,1 479 /dev/console
sh 2144 root 2u CHR 5,1 479 /dev/console
sh 2144 root 10r REG 31,1 6151 1983 /etc/init.d/rc.dsl.sh