[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] r command (sed)  raidstart command  raidstop command  RAM disks, configuring support for  ramsize command  rand command (gawk)  ranlib command  rannotate command (CVS)  2nd  RARP (Reverse Address Resolution Protocol)  2nd  [See also ARP] rarp command (GRUB)  rarpd command  raw command  rcp command  RCS (Revision Control System)      basic operations      commands          alphabetical summary      environment variables      keyword substitution      options      revision numbering      state      timestamps  rcs command (RCS)  2nd  rcsclean command (RCS)  rcsdiff command (RCS)  RCSfile keyword (RCS)  RCSINIT environment variable (RCS)  rcsmerge command (RCS)  rdate command  rdev command  rdiff command (CVS)  rdist command  rdistd command  read command     bash      ex      GRUB  readelf command  readlink command  readonly command (bash)  reboot command      GRUB  recexact variable (tcsh)  recognize_only_executables variable (tcsh)  recover command (ex)  recv command (ftp)  Red Hat Package Manager  [See RPM] redirection operators  redo command (ex)  reget command (ftp)  regular expressions  rehash command (tcsh)  Reiser FS (Reiser Filesystem)      embed command (GRUB)  relational operators (expr)  release command (CVS)  Remote Procedure Call  [See RPC] remotehelp command (ftp)  REMOTEHOST environment variable (tcsh)  remotestatus command (ftp)  removable media, ejecting  remove command (CVS)  rename command      ftp  renice command  repeat command (tcsh)  repositories (CVS)      creating  reset command  2nd  [See also tset command]     ftp  resize command (ex)  resize2fs command  resolvers  restart command (ftp)  return command     bash      gawk  Return command (ex)  rev command  Reverse Address Resolution Protocol (RARP)  revision control  2nd  [See also RCS; CVS] Revision Control System  [See RCS] Revision keyword (RCS)  rewind command (ex)  rexecd command  richtext command  right command (ex)  ÒrippingÓ audio CDs  rlog command     CVS      RCS  rlogin command  rlogind command  rm command  rmail command  rmdir command      ftp  rmmod command  rmstar variable (tcsh)  root command (GRUB)  rootflags command  rootnoverify command (GRUB)  route command  routed command  routed daemon  routing daemons  routing tables  RPC (Remote Procedure Call)  rpc.mountd command  rpc.nfsd command  rpc.portmap command  rpc.rusersd command  rpc.statd command  [See statd command] rpcgen command  rpcinfo command  RPM (Red Hat Package Manager)      rpm command  [See rpm command] rpm command  2nd      configuration files      database rebuild options      downloading packages off the internet      examples      FTP/HTTP options      information selection options      install/upgrade options      package selection options      query options      signature check options      uninstall options      verify options  rpmbuild command  rprompt variable (tcsh)  rsh command  rshd command  rshift command (gawk)  rtag command (CVS)  run-parts command  runique command (ftp)  runlevel command  runlevels      changing (telinit)  rup command  ruptime command  rusers command  rusersd command  rwall command  rwho command  rwhod command