.TH INTRO 7 "9 February 1983" .SH NAME miscellaneous \- Miscellaneous useful information pages .SH "PAGES IN MISCELLANEOUS SECTION" .LP .sp 2 .nf .ta 1.25i ascii map of ASCII character set environ user environment eqnchar special character definitions for eqn hier file system hierarchy man macros to typeset manual pages me macros for formatting papers ms macros for formatting manuscripts .fi