man pages section 1: User Commands
  • R
    • ranlib(1)– convert archives to random libraries
    • rcapstat(1)– report resource cap enforcement daemon statistics
    • rcp(1)– remote file copy
    • rdist(1)– remote file distribution program
    • read(1)– read a line from standard input
    • readfile(1F)– reads file, gets longest line
    • readonly(1)– shell built-in function to protect the value of the given variable from reassignment
    • red(1)– text editor
    • refer(1)– expand and insert references from a bibliographic database
    • regcmp(1)– regular expression compile
    • regex(1F)– match patterns against a string
    • rehash(1)– evaluate the internal hash table of the contents of directories
    • reinit(1F)– runs an initialization file
    • remote_shell(1)– remote shell
    • remsh(1)– remote shell
    • renice(1)– alter priority of running processes
    • repeat(1)– shell command interpreter built-in commands
    • reset(1B)– establish or restore terminal characteristics
    • reset(1F)– reset the current form field to its default values
    • return(1)– shell built-in functions to enable the execution of the shell to advance beyond its sequence of steps
    • rksh(1)– KornShell, a standard/restricted command and programming language
    • rlogin(1)– remote login
    • rm(1)– remove directory entries
    • rmail(1)– read mail or send mail to users
    • rmdel(1)– remove a delta from an SCCS file
    • rmdir(1)– remove directory entries
    • rmformat(1)– removable rewritable media format utility
    • roffbib(1)– format and print a bibliographic database
    • roles(1)– print roles granted to a user
    • rpcgen(1)– an RPC protocol compiler
    • rpm2cpio(1)– convert Red Hat Package (RPM) to cpio archive
    • rsh(1)– remote shell
    • run(1F)– run an executable
    • runat(1)– execute command in extended attribute name space
    • rup(1)– show host status of remote machines (RPC version)
    • rup(1C)– show host status of remote machines (RPC version)
    • ruptime(1)– show host status of local machines
    • rusage(1B)– print resource usage for a command
    • rusers(1)– who is logged in on remote machines
    • rwho(1)– who is logged in on local machines