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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