LinuxCommand

Learning the shell

Writing shell scripts

Script library

SuperMan pages

Who, What, Where, Why

SuperMan Pages: r

Command Description Package
radio

console radio application

xawtv

radvd

router advertisement daemon for IPv6

radvd

radvdump

dump router advertisements

radvd

raid0run

starts up old (superblock-less) RAID0/LINEAR arrays

raidtools

raidadd

obsolete RAID command

raidtools

raidreconf

reconfigure RAID arrays

raidtools

raidrun

obsolete RAID command

raidtools

raidstart

command set to manage md devices

raidtools

raidstop

command set to manage md devices

raidtools

ranlib

generate index to archive

binutils

rarpd

Reverse Address Resolution Protocol (RARP) daemon

rarpd

ras2tiff

create a TIFF file from a Sun rasterfile

libtiff

rasttopnm

convert a Sun rasterfile into a portable anymap

netpbm-progs

raw

bind a Linux raw character device

util-linux

rawtopgm

convert raw grayscale bytes into a portable graymap

netpbm-progs

rawtoppm

convert raw RGB bytes into a portable pixmap

netpbm-progs

rcp

remote file copy

rsh

rcpt500

mail to X.500 gateway program

openldap-servers

rcsclean

clean up working files

rcs

rcs

change RCS file attributes

rcs

rcsdiff

compare RCS revisions

rcs

rcsintro

introduction to RCS commands

rcs

rcsmerge

merge RCS revisions

rcs

rcvdist

asynchronously redistribute new mail

nmh

rcvpack

append message to file

nmh

rcvstore

asynchronously incorporate mail into a folder

nmh

rcvtty

report new mail

nmh

rdate

get the time via the network

rdate

rdev

query/set image root device, RAM disk size, or video mode

util-linux

rdisc

network router discovery daemon

iputils

rdist

remote file distribution client program

rdist

rdjpgcom

display text comments from a JPEG file

libjpeg

readelf

Displays information about ELF files

binutils

readlink

print contents of symbolic link

tetex

readonly

bash built-in commands, see bash(1)

bash

readprofile

a tool to read kernel profiling information

util-linux

read

bash built-in commands, see bash(1)

bash

reboot

stop the system

SysVinit

recode

manual page for recode 3.6

recode

recon

Check if LAM can be started

lam

record

records *.wav files

xawtv

red

text editor

ed

rediff

fix offsets and counts of a hand-edited diff

patchutils

refer

preprocess bibliographic references for groff

groff

reference

MRTG 2.9.17 configuration reference

mrtg

refile

file message in other folders

nmh

reiserfsck

check a Linux Reiserfs file system

reiserfs-utils

rename

Rename files

util-linux

renice

alter priority of running processes

util-linux

replace

A utility program that is used by msql2mysql, but that has more general applicability as well. replace changes strings in place in files or on the standard input. Uses a finite state machine to match longer strings first. Can be used to swap strings

mysql

repl

reply to a message

nmh

repquota

summarize quotas for a filesystem

quota

req

PKCS#10 certificate and certificate generating utility

openssl

reset

initialize a terminal or query terminfo database

ncurses

reset

terminal initialization

ncurses

resize2fs

ext2 file system resizer

e2fsprogs

resizecons

change kernel idea of the console size

kbd

resize

set TERMCAP and terminal settings to current xterm window size

XFree86

restore

restore files or file systems from backups made with dump

dump

return

bash built-in commands, see bash(1)

bash

revnetgroup

generate reverse netgroup data

ypserv

revpath

generate a relative path that can be used to undo a change-directory

XFree86

rev

reverse lines of a file

util-linux

rexecd

remote execution server

rsh-server

rgb2ycbcr

convert non-YCbCr TIFF images to a YCbCr TIFF image

libtiff

rgb3toppm

combine three portable graymaps into one portable pixmap

netpbm-progs

rhmask

generates and recovers file masks

rhmask

rhnsd

a program for quering the Red Hat Network for updates and information

up2date

ripd

a RIP routing engine for use with Zebra

zebra

ripngd

a RIP routing engine for use with Zebra and IPv6

zebra

ripples

interference patterns

xscreensaver

rletopnm

convert a Utah Raster Tools RLE image file into a PNM image file

netpbm-progs

rlog

print log messages and other information about RCS files

rcs

rlogin

remote login

rsh

rlogind

remote login server

rsh-server

rmail

handle remote mail received via uucp

sendmail

rman

reverse compile man pages from formatted form to a number of source formats

XFree86-devel

rm

remove files or directories

fileutils

rmdir

remove empty directories

fileutils

rmdtovbox

isdn voice box (sound converter)

isdn4k-utils

rmf

remove an nmh folder

nmh

rmic

Generate stubs for Remote Method Invocation

libgcj

rmiregistry

Remote object registry

libgcj

rmm

remove messages

nmh

rmmod

unload loadable modules

modutils

rmt

remote magtape protocol module

rmt

rndc

name server control utility

bind

rnews

receive news from a UUCP connection

inn

rocks

animation of flying through an asteroid field

xscreensaver

rootv

display TV using the Xvideo extention

xawtv

rorschach

simulate ink-blot patterns

xscreensaver

rotatelogs

rotate Apache logs without having to kill the server

httpd

rotor

screen saver

xscreensaver

rotzoomer

animated rotations and scalings of portions of the screen

xscreensaver

routed

network routing daemon

routed

route

show / manipulate the IP routing table

net-tools

rpcclient

tool for executing client side MS-RPC functions

samba-client

rpcinfo

report RPC information

man-pages

rpdump

pine remote data utility

pine

rpload

pine remote data utility

pine

rpm2cpio

Extract cpio archive from RPM Package Manager (RPM) package

rpm

rpm2html

make an html database from rpm repository

rpm2html

rpmbuild

Build RPM Package(s)

rpm-build

rpmcache

Cache RPM Package Headers

rpm-devel

rpmgraph

Display RPM Package Dependency Graph

rpm-devel

rpm

RPM Package Manager

rpm

rquotad

remote quota server

quota

rsa

RSA key processing tool

openssl

rsautl

RSA utility

openssl

rsh

remote shell

rsh

rshd

remote shell server

rsh-server

rstartd

a sample implementation of a Remote Start rsh helper

XFree86

rstart

a sample implementation of a Remote Start client

XFree86

rstatd

kernel statistics server

rusers-server

rsync

faster, flexible replacement for rcp

rsync

rtf2rtf

programs to postprocess the raw RTF generated by the mapping files

linuxdoc-tools

rubik

screen saver that solves Rubik's Cube

xscreensaver

ruby

Interpreted object-oriented scripting language

ruby

runscript

script interpreter for minicom

minicom

runtest

the DejaGnu test driver program

dejagnu

rup

remote status display

rusers

ruptime

show host status of local machines

rwho

rusers

who is logged in to machines on local network

rusers

rvnamed

reverse name resolution daemon for

iptraf

rwall

send a message to users logged on a host

rwall

rwhod

system status server

rwho

rwho

who is logged in on local machines

rwho

rz

XMODEM, YMODEM, ZMODEM (Batch) file receive

lrzsz