Skype used to have a man page. Now, I just get:
thufir@mordor:~$
thufir@mordor:~$ man skype
No manual entry for skype
See 'man 7 undocumented' for help when manual pages are not available.
thufir@mordor:~$
I installed as per the directions for Ubuntu 15.10. See also:
No, but for a list of all options one can use with it,
skype --help
still works: