man pages section 1: User Commands
    
R
 
 true -- convert archives to random libraries ( Index Term Link )
 
 rcp -- remote file copy ( Index Term Link )
 
 rdist -- remote file distribution ( Index Term Link )
 
 read -- shell built-in function to receive from standard input (keyboard) ( Index Term Link )
 
 readfile, longline -- (FMLI utility) reads file, gets longest line ( Index Term Link )
 
 readonly -- shell built-in function to protect the value of the given variable from reassignment ( Index Term Link )
 
 reboot system without checking disks -- fastboot ( Index Term Link )
 
 red -- text editor ( Index Term Link )
 
 refer -- expand and insert references from a bibliographic database ( Index Term Link )
 
 regcmp -- regular expression compile ( Index Term Link )
 
 regenerate groups of programs -- sysV-make ( Index Term Link )
 
 regenerate programs -- make ( Index Term Link )
 
 regex -- (FMLI utility) match patterns against a string ( Index Term Link )
 
 registration ( Index Term Link )
 
 rehash -- shell built-in functions to evaluate the internal hash table of the contents of directories ( Index Term Link )
 
 reinit -- (FMLI utility) changes the descriptors in the initialization file ( Index Term Link )
 
 relational database, -- join ( Index Term Link )
 
 reminder services
  -- calendar ( Index Term Link )
  mail notifier -- biff ( Index Term Link )
 
 remote shell -- rsh ( Index Term Link )
 
 remote system
  connect -- tip ( Index Term Link )
  connect to -- cu ( Index Term Link )
  execute a command on a remote system, but with the local environment -- on ( Index Term Link )
  file copy -- rcp ( Index Term Link )
  file distribution -- rdist ( Index Term Link )
  remote login -- rlogin ( Index Term Link )
  shell -- rsh ( Index Term Link )
  show status -- rup ( Index Term Link ) ( Index Term Link )
  spawn login -- ct ( Index Term Link )
  system to system command execution -- uux ( Index Term Link )
  transfer files to and from -- tftp ( Index Term Link )
  who is logged in on remote machines -- rusers ( Index Term Link )
 
 removable rewritable media format utility -- rmformat ( Index Term Link )
 
 rename the binding of an FNS name -- fnrename ( Index Term Link )
 
 renice -- alter priority of running processes ( Index Term Link )
 
 report on the calls to a specific procedure -- whocalls ( Index Term Link )
 
 report or filter out repeated lines in a file -- uniq ( Index Term Link )
 
 reset -- (FLMI utility) changes the entry in a field of a form to its default value ( Index Term Link )
 
 reset -- reset terminal bits ( Index Term Link )
 
 reset terminal bits -- reset ( Index Term Link )
 
 return -- shell built-in functions to enable the execution of the shell to advance beyond its sequence of steps ( Index Term Link )
 
 reverse page order, PostScript file -- postreverse ( Index Term Link )
 
 reverse the page order in a PostScript file -- postreverse ( Index Term Link )
 
 rksh -- KornShell, restricted command and programming language ( Index Term Link )
 
 rlogin -- remote login ( Index Term Link )
 
 rm -- remove files ( Index Term Link )
 
 rmdir -- remove directories ( Index Term Link )
 
 rmformat -- removable rewritable media format utility ( Index Term Link )
 
 roffbib -- format and print bibliographic database ( Index Term Link )
 
 roles -- print roles granted to a user ( Index Term Link )
 
 RPC
  display host status of remote machines -- rup ( Index Term Link )
  display status of network hosts -- rup ( Index Term Link )
  protocol compiler -- rpcgen ( Index Term Link )
 
 RPC, secure
  decrypt and store secret key with keyserv -- keylogin ( Index Term Link )
  delete stored secret key with keyserv -- keylogout ( Index Term Link )
 
 RPC Language, RPC protocol compiler -- rpcgen ( Index Term Link )
 
 rpcgen -- RPC protocol compiler ( Index Term Link )
 
 rpm2cpio -- convert Red Hat Package (RPM) to cpio archive ( Index Term Link )
 
 rsh -- remote shell ( Index Term Link )
 
 run -- (FMLI utility) runs a program ( Index Term Link )
 
 run a command immune to hangups -- nohup ( Index Term Link )
 
 runat -- execute command in extended attribute name space ( Index Term Link )
 
 runtime linker for dynamic objects -- ld.so.1 ( Index Term Link )
 
 rup -- display status of network hosts (RPC version) ( Index Term Link )
 
 rup -- display status of network hosts ( Index Term Link )
 
 ruptime -- display status of local hosts ( Index Term Link )
 
 rusage -- resource usage for a command ( Index Term Link )
 
 rusers -- who is logged in on remote machines ( Index Term Link )
 
 rwho -- who is logged in on local machines ( Index Term Link )