On Friday 19 October 2007 06:42:37 Yang You Yong wrote: > I want to get a source code of cal (calendar tool), where > can I get it? cal is ncal as mentioned in the manual page. So, /usr/src/usr.bin/ncal if you have the source installed. Or here: http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.bin/ncal/ Nikos