man pages section 4: File Formats
    
R
 
 real-time process dispatcher, parameters - rt_dptbl ( Index Term Link )
 
 real-time process scheduler, parameters - rt_dptbl ( Index Term Link )
 
 remote authentication for hosts and users - hosts.equiv, .rhosts ( Index Term Link )
 
 remote - remote host descriptions ( Index Term Link )
 
 remote host, phone numbers - phones ( Index Term Link )
 
 remote login data for ftp - netrc ( Index Term Link )
 
 remote mounted file systems, - rmtab ( Index Term Link )
 
 Remote Program Load (RPL) server configuration file - rpld.conf ( Index Term Link )
 
 resolv.conf - resolver configuration file ( Index Term Link )
 
 resolver configuration file - resolv.conf ( Index Term Link )
 
 rmmount.conf - removable media mounter configuration file
  Default Values ( Index Term Link )
  Examples ( Index Term Link )
 
 rpc - rpc program number database ( Index Term Link )
 
 RPC program names, for program numbers - rpc ( Index Term Link )
 
 RPC security, public key database - publickey ( Index Term Link )
 
 RPCSEC_GSS mechanism file, - mech ( Index Term Link )
 
 RPCSEC_GSS QOP file, - ( Index Term Link )
 
 rpld.conf - Remote Program Load (RPL) server configuration file ( Index Term Link )