System Administration Guide: Basic Administration
    
M
 
 mail aliases, user login names vs. ( Index Term Link )
 
 MAIL environment variable ( Index Term Link ) ( Index Term Link )
 
 MANPATH environment variable ( Index Term Link )
 
 maximums
  secondary groups users can belong to ( Index Term Link )
  user ID number ( Index Term Link )
  user login name length ( Index Term Link )
  user password length ( Index Term Link )
 
 minimums
  user login name length ( Index Term Link )
  user password length ( Index Term Link )
 
 monitor (PROM) ( Index Term Link )
 
 mounting
  user home directories
   automounting ( Index Term Link )
   remote ( Index Term Link )
  user home directories (how to) ( Index Term Link )
 
 multiple versions of software packages ( Index Term Link ) ( Index Term Link )
 
 multiuser level
  See run level 3