Keywords - R

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RAID (Redundant Arrays of Independent Disks)

· SCSI RAID ·

RAM

/dev/shmem “filesystem”

· /dev/shmem RAM “filesystem” ·

disks

· RAM disks ·

system

effect on cache for block I/O drivers

· Filesystems and block I/O (devb-*) drivers ·

limits

· Platform-specific limits ·

RANDOM

· MS-DOS local command-interpreter variables ·

DOS version

· MS-DOS local command-interpreter variables ·

random

· /dev · /etc/rc.d/rc.sysinit ·

raw copies

· Backing up physical hard disks ·

raw disks, browsing

· spatch ·

raw input mode

· Input modes ·

buffer

· Querying filesystem limits ·

rc.d

· /etc ·

rc.devices

· /etc/system/sysinit · Device enumeration ·

rc.local

· /etc/rc.d/rc.sysinit · lpd — printer daemon · rc.local · Troubleshooting ·

rc.rtc

· /etc/system/sysinit ·

rc.setup-once

· /etc/system/sysinit ·

rc.sysinit

· /etc/rc.d/rc.sysinit · /etc/system/sysinit ·

read permission

· File ownership and permissions ·

read()

· File descriptor vs standard I/O · Filesystems and block I/O (devb-*) drivers · Throughput ·

readlink()

· Symbolic links ·

realloc()

· Other system limits ·

realtime clock, setting up

· /etc/system/sysinit ·

rebooting

· Shutting down and rebooting ·

recovering from unexpected

· When to run chkfsys ·

receive-alignment errors

· Receive Alignment errors ·

record size

· Record size ·

recovering

a zapped file

· Recovering a zapped file ·

blocks

· chkfsys ·

lost files/directories

· spatch ·

recursive make

· Filename extensions ·

redirection

· Redirecting input and output ·

Redundant Arrays of Independent Disks

See RAID

refresh rate

· Changing video modes in Photon ·

regular files

· /dev/shmem RAM “filesystem” · Types of files ·

relative pathnames

· Absolute and relative pathnames ·

rem (DOS command)

· DOS commands and their Neutrino equivalents ·

remote access via Phditto, disabling

· Configuration tools ·

remote execution

· Executing commands on another node or tty ·

Remote Procedure Call

See RPC

remounting (mount -u)

· Mounting and unmounting filesystems ·

remove (CVS command)

· Removing and restoring files ·

rename (DOS command)

· DOS commands and their Neutrino equivalents ·

replace (DOS command)

· DOS commands and their Neutrino equivalents ·

repositories

CVS

· CVS basics ·

reset vector

· What happens when you boot? ·

resolution, video

· Changing video modes in Photon ·

resolv.conf

· /etc · Name servers · What is the name server information? ·

resolver

configuration files

· /etc ·

Qnet

· Conventions for naming nodes ·

resource managers

defined

· Resource managers ·

inflator

· Inflator filesystem ·

return codes from shell scripts

· Example of a Korn shell script ·

revisions

· Revisions ·

rhosts

· Running the Internet daemons ·

right arrow

· The keyboard at a glance ·

RIP (Routing Information Protocol)

· Routing · Running the Internet daemons ·

RLIMIT_AS

· Platform-specific limits · Shared memory ·

RLIMIT_DATA

· Shared memory ·

RLIMIT_NOFILE

· File descriptors ·

rlogind

· Running the Internet daemons ·

rm

· Basic commands ·

interactive mode

· .kshrc ·

rm (CVS command)

· Removing and restoring files ·

rmdir

· Basic commands ·

ROM monitor

· What happens when you boot? ·

root

· root or non-root? ·

home directory

· /root ·

ownership

· File ownership and permissions ·

PATH

· Troubleshooting ·

permissions

· File ownership and permissions · User accounts vs user IDs: login, lookup, and permissions ·

privileged priorities

· Other system limits ·

prompt, default

· root or non-root? ·

security

· Local exploits ·

user accounts, managing

· Managing other accounts ·

root block (QNX 4 filesystem)

· Root block ·

creating

· dinit ·

restoring

· chkfsys ·

root directory (QNX 4 filesystem)

· Root directory ·

creating

· dinit ·

route

· Routing · Software components for TCP/IP networking ·

routed

· Routing · Running the Internet daemons ·

Routing Information Protocol

See RIP

routing protocols

· Routing ·

routing tables

· Software components for TCP/IP networking ·

daemon

· Running the Internet daemons ·

routing, TCP/IP

· Routing ·

RPC (Remote Procedure Call)

· NFS server ·

rpcbind

· NFS server ·

RS-232 protocol

· General serial adapters ·

rshd

· Running the Internet daemons ·

rsrcdbmr_attach()

· diskboot ·

runas (DOS command)

· DOS commands and their Neutrino equivalents ·

rwhod

· Running the Internet daemons ·

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