man pages section 4: File Formats
    
A
 
 a.out -- Executable and Linking (ELF) files ( Index Term Link )
 
 accounting system, prime/nonprime hours -- holidays ( Index Term Link )
 
 addresses -- addresses for sendmail ( Index Term Link )
 
 admin -- installation defaults file ( Index Term Link )
 
 alias -- alias table file of encoding names ( Index Term Link )
 
 alias table file of encoding names -- alias ( Index Term Link )
 
 aliases -- sendmail aliases file ( Index Term Link )
 
 archives -- device header ( Index Term Link )
 
 ASET environment file -- asetenv ( Index Term Link )
 
 ASET master files
  -- asetmasters ( Index Term Link )
  -- cklist.high ( Index Term Link )
  -- cklist.low ( Index Term Link )
  -- cklist.med ( Index Term Link )
  -- tune.high ( Index Term Link )
  -- tune.low ( Index Term Link )
  -- tune.med ( Index Term Link )
  -- uid_aliases ( Index Term Link )
 
 asetenv -- ASET environment file ( Index Term Link )
 
 au -- AU audio file format ( Index Term Link )
 
 AU audio file format -- au ( Index Term Link )
 
 audit_class password file ( Index Term Link )
 
 audit_event password file ( Index Term Link )
 
 audit -- audit control file ( Index Term Link )
 
 audit -- audit data file ( Index Term Link )
 
 audit.log -- audit trail file ( Index Term Link )
 
 audit trail file, -- audit.log ( Index Term Link )
 
 audit_user -- per-user auditing data file ( Index Term Link )