Code:
~$ lsof | grep myuser
lsof 1221 myuser cwd DIR 0,53 50 32 /home/myuser
lsof 1221 myuser rtd DIR 9,0 4096 2 /
lsof 1221 myuser txt REG 9,0 125736 1868018 /usr/bin/lsof
lsof 1221 myuser mem REG 9,0 3927680 1787836 /usr/lib/locale/locale-archive
lsof 1221 myuser mem REG 9,0 1437064 1311146 /lib/libc-2.11.3.so
lsof 1221 myuser mem REG 9,0 128744 1311142 /lib/ld-2.11.3.so
lsof 1221 myuser 0u CHR 136,1 0t0 4 /dev/pts/1
lsof 1221 myuser 1w FIFO 0,6 0t0 58613309 pipe
lsof 1221 myuser 2u CHR 136,1 0t0 4 /dev/pts/1
lsof 1221 myuser 3r DIR 0,3 0 1 /proc
lsof 1221 myuser 4r DIR 0,3 0 58610834 /proc/1221/fd
lsof 1221 myuser 5w FIFO 0,6 0t0 58610839 pipe
lsof 1221 myuser 6r FIFO 0,6 0t0 58610840 pipe
grep 1222 myuser cwd DIR 0,53 50 32 /home/myuser
grep 1222 myuser rtd DIR 9,0 4096 2 /
grep 1222 myuser txt REG 9,0 119288 98315 /bin/grep
grep 1222 myuser mem REG 9,0 3927680 1787836 /usr/lib/locale/locale-archive
grep 1222 myuser mem REG 9,0 1437064 1311146 /lib/libc-2.11.3.so
grep 1222 myuser mem REG 9,0 14696 1311158 /lib/libdl-2.11.3.so
grep 1222 myuser mem REG 9,0 128744 1311142 /lib/ld-2.11.3.so
grep 1222 myuser mem REG 9,0 26048 1658522 /usr/lib/gconv/gconv-modules.cache
grep 1222 myuser 0r FIFO 0,6 0t0 58613309 pipe
grep 1222 myuser 1w FIFO 0,6 0t0 58613311 pipe
grep 1222 myuser 2u CHR 136,1 0t0 4 /dev/pts/1
sed 1223 myuser cwd DIR 0,53 50 32 /home/myuser
sed 1223 myuser rtd DIR 9,0 4096 2 /
sed 1223 myuser txt REG 9,0 65472 98333 /bin/sed
sed 1223 myuser mem REG 9,0 3927680 1787836 /usr/lib/locale/locale-archive
sed 1223 myuser mem REG 9,0 14696 1311158 /lib/libdl-2.11.3.so
sed 1223 myuser mem REG 9,0 1437064 1311146 /lib/libc-2.11.3.so
sed 1223 myuser mem REG 9,0 117848 1310765 /lib/libselinux.so.1
sed 1223 myuser mem REG 9,0 128744 1311142 /lib/ld-2.11.3.so
sed 1223 myuser mem REG 9,0 26048 1658522 /usr/lib/gconv/gconv-modules.cache
sed 1223 myuser 0r FIFO 0,6 0t0 58613311 pipe
sed 1223 myuser 1u CHR 136,1 0t0 4 /dev/pts/1
sed 1223 myuser 2u CHR 136,1 0t0 4 /dev/pts/1
lsof 1224 myuser cwd DIR 0,53 50 32 /home/myuser
lsof 1224 myuser rtd DIR 9,0 4096 2 /
lsof 1224 myuser txt REG 9,0 125736 1868018 /usr/bin/lsof
lsof 1224 myuser mem REG 9,0 3927680 1787836 /usr/lib/locale/locale-archive
lsof 1224 myuser mem REG 9,0 1437064 1311146 /lib/libc-2.11.3.so
lsof 1224 myuser mem REG 9,0 128744 1311142 /lib/ld-2.11.3.so
lsof 1224 myuser 4r FIFO 0,6 0t0 58610839 pipe
lsof 1224 myuser 7w FIFO 0,6 0t0 58610840 pipe
sshd 31164 myuser cwd unknown /proc/31164/cwd (readlink: Permission denied)
sshd 31164 myuser rtd unknown /proc/31164/root (readlink: Permission denied)
sshd 31164 myuser txt unknown /proc/31164/exe (readlink: Permission denied)
sshd 31164 myuser NOFD /proc/31164/fd (opendir: Permission denied)
bash 31169 myuser cwd DIR 0,53 50 32 /home/myuser
bash 31169 myuser rtd DIR 9,0 4096 2 /
bash 31169 myuser txt REG 9,0 926536 98370 /bin/bash
bash 31169 myuser mem REG 9,0 10272 1658485 /usr/lib/gconv/ISO8859-1.so
bash 31169 myuser mem REG 9,0 3927680 1787836 /usr/lib/locale/locale-archive
bash 31169 myuser mem REG 9,0 1437064 1311146 /lib/libc-2.11.3.so
bash 31169 myuser mem REG 9,0 14696 1311158 /lib/libdl-2.11.3.so
bash 31169 myuser mem REG 9,0 286776 1310771 /lib/libncurses.so.5.7
bash 31169 myuser mem REG 9,0 128744 1311142 /lib/ld-2.11.3.so
bash 31169 myuser mem REG 9,0 26048 1658522 /usr/lib/gconv/gconv-modules.cache
bash 31169 myuser 0u CHR 136,1 0t0 4 /dev/pts/1
bash 31169 myuser 1u CHR 136,1 0t0 4 /dev/pts/1
bash 31169 myuser 2u CHR 136,1 0t0 4 /dev/pts/1
bash 31169 myuser 255u CHR 136,1 0t0 4 /dev/pts/1