ubuntu@172:~$ man man
man: can't execute pager: Too many levels of symbolic links
man: command exited with status 255: /usr/lib/man-db/zsoelim | /usr/lib/man-db/manconv -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE | preconv -e UTF-8 | tbl | nroff -mandoc -rLL=132n -rLT=132n -Tutf8