To ensure that the man(1) command can find all of the man
pages for the products that combine to make the Trusted Solaris product (Solaris software, CDE, and X windows), the MANPATH
environment variable should include the directories: /usr/man, /usr/openwin/man, and /usr/dt/man See "To Set Up Startup Files for Users" for an example of adding the path to shell initialization files.