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 )