[user@debian1:~]$ sudo mandb
Password:
Purging old database entries in /usr/share/man...
Processing manual pages under /usr/share/man...
Updating index cache for path `/usr/share/man/man1'. Wait...mandb: warning: /usr/share/man/man1/Xvnc: ignoring bogus filename
Updating index cache for path `/usr/share/man/man8'. Wait...done.
Checking for stray cats under /usr/share/man...
Checking for stray cats under /var/cache/man...
Purging old database entries in /usr/local/man...
Processing manual pages under /usr/local/man...
Purging old database entries in /usr/local/share/man...
Processing manual pages under /usr/local/share/man...
2 man subdirectories contained newer manual pages.
103 manual pages were added.
0 stray cats were added.
0 old database entries were purged.
intro (7)            - Introduction to overview, conventions, and miscellany section
intro (4)            - Introduction to special files
intro (1)            - Introduction to user commands
intro (8)            - Introduction to administration and privileged commands
intro (2)            - Introduction to system calls
intro (6)            - Introduction to games
intro (5)            - Introduction to file formats
intro (3)            - Introduction to library functions