shmem    28521  0.0  ...   0:00 xterm 
shmem    28523  0.0  ...   0:00  \_ bash
shmem    28726  0.0  ...   0:00      \_ man perlrun
shmem    28752  0.0  ...   0:00          \_ sh -c (cd /usr/local/share/man ...
shmem    28753  0.0  ...   0:00              \_ sh -c (cd /usr/local/share/...
shmem    28757  0.0  ...   0:00                  \_ less