You are not serious are you? there is no DOS on UNIX, thank deity well there is but your colleagues won't thank you for writing batch scripts in dosemu.

edit: oh and perl should be already installed on solaris, so there's no need to do it yourself, and even if it isn't there, you should probably get your system administrator to install it machine-wide, since you probably don't have permissions to do that.

try this here: http://www.ee.surrey.ac.uk/Teaching/Unix/unixintro.html