QNX Community Resources
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Keywords - S
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- scanning for consistent data (chkfsys)
- · Using chkfsys ·
- scheduling processes for execution
- · What happens when the system boots ·
- security
-
·
Security ·
- access control utilities
- · Access control utilities ·
- default password files
- · Default password files ·
- file permissions
- · File permissions ·
- group IDs
- · More about user and group IDs ·
- limiting user access
- · setuid and setgid ·
- login utility
- · The login utility ·
- newgrp utility
- · Group ID membership · The newgrp utility ·
- passwd utility
- · The passwd utility ·
- password database
- · The password database ·
- protecting encrypted passwords
- · /etc/.pwlock ·
- restricting access to files
- · File permissions ·
- su utility
- · The su utility ·
- user IDs
- · More about user and group IDs ·
- utilities with superuser permissions
- · setuid and setgid ·
- serial bus
-
- hardware interrupt signals
- · Hardware interrupt ·
- sharing interrupts
- · Multiport serial adapters ·
- serial device drivers
-
- Dev.ser
- · Starting device drivers ·
- starting
- · Starting device drivers · Starting device drivers ·
- testing operation
- · Testing serial drivers ·
- serial devices
-
·
Serial devices ·
- configuring ports
- · Configuring serial ports ·
- connecting
-
·
Connecting serial devices ·
- modems
- · High-speed ECC modems ·
- printers
- · Serial printers ·
- terminals
- · Terminals ·
- exclusive access
- · Exclusive access to serial devices ·
- hardware adapters
- · Hardware adapters ·
- I/O hardware address
- · I/O addresses ·
- multiport adapters
- · Multiport serial adapters ·
- printer as target
- · Multiple queues feeding three targets ·
- RS-232 serial protocol
- · The RS-232 serial protocol ·
- single-port adapters
- · Hardware interrupt ·
- troubleshooting
- · Troubleshooting serial device problems ·
- typical installation
- · Typical hardware installation ·
- UART hardware interrupts
- · Hardware interrupt ·
- serial ports
-
- configuring
- · Configuring serial ports · Serial devices ·
- data bits
- · Data bits ·
- I/O address and hardware interrupt
- · Hardware interrupt ·
- parity bits
- · Parity ·
- sharing interrupts
- · Multiport serial adapters ·
- specifying baud rate
- · Baud rate · Starting device drivers ·
- stop bits
- · Stop bits ·
- servers
-
- boot server
- · Boot servers and booting nodes ·
- cron server
- · Starting a cron server ·
- global name server
- · Loading node mappings ·
- running chkfsys on
- · When to run chkfsys ·
- spooling server
- · Starting the spooler ·
- services
-
- base-level
- · Build file format ·
- customizing
- · sysinit.node ·
- in sysinit file
- · What happens when the system boots ·
- selecting modules
- · A typical directory structure ·
See also images; system initialization file
- session, starting
- · Starting a user session ·
- setgid, changing
- · Changing permissions ·
- setuid, changing
- · Changing permissions ·
- sh shell program
- · Base-level services ·
- shadow file
- · The password database ·
- shared library
-
- 16-bit
- · Mandatory processes · Selecting executables for an image ·
- including in build file
- · Build file format ·
- shell
-
- /bin/sh
- · What happens when the system boots ·
- echo command
- · Setting environment variables ·
- environment variables
- · Setting environment variables ·
- executing profile file
- · Shell initialization ·
- initialization
- · What happens when the system boots ·
- scripts
-
·
What happens when the system boots ·
- executing within sysinit.node file
- · Base-level services ·
- selecting
- · Home directory, initial command, and initial password ·
- set command
- · Setting environment variables ·
- started by login utility
- · Setting environment variables ·
See also commands
- sin utility
- · If from floppies... ·
- sinit utility
-
·
What happens when the system boots ·
- shell startup
- · What happens when the system boots ·
- starting in build file
- · Build file format ·
- using to set terminal type
- · Setting the terminal type ·
- Slib16
- · Mandatory processes ·
- Slib32
-
·
Mandatory processes ·
- starting in build file
- · Build file format ·
- software
- spatch utility
-
·
spatch ·
- examining blocks within a file
- · Recovering from a bad block in the middle of a file ·
- spooler
-
- architecture
- · Spooler architecture ·
- default
- · Accessing spoolers and queues ·
- defined
- · Spoolers ·
- files
- · A typical directory structure ·
- multiple
- · Registering names -- sp ·
- names
-
- on lp command line
- · Naming only the spooler ·
- registering
- · Registering names -- sp · Syntax definitions ·
- starting
- · Starting the spooler ·
- spooling
-
- configuring
- · Examples ·
- global keywords
- · Global keywords ·
- jobs
-
- querying
- · Querying spool jobs ·
- selecting on queue priority
- · Multiple queues feeding a single target ·
- submitting
- · Submitting spool jobs ·
- lp utility
- · Submitting spool jobs ·
- lpc utility
- · Controlling the spool queues ·
- LPDEST environment variable
- · Accessing spoolers and queues · LPDEST ·
- lpq utility
- · Querying spool jobs ·
- lprm utility
- · Canceling spool jobs ·
- LPSRVR environment variable
- · Accessing spoolers and queues · LPSRVR ·
- lpsrvr utility
- · Starting the spooler ·
- lpsrvr.node file
- · Starting the spooler ·
- named queues in file namespace
- · Spoolers ·
- output device
- · Syntax definitions ·
- PRINTER environment variable
- · LPDEST ·
- queues and targets
- · Spooler architecture ·
- recording accounting information
- · Accounting information · Syntax definitions ·
- reinitializing printer between jobs
- · Spooler architecture ·
- reporting error messages
- · Output errors ·
- server, starting
- · Spoolers · Starting the spooler ·
- setup file (lpsrvr)
-
·
Starting the spooler ·
The spool setup file ·
- example
- · Example setup files · Queues and targets ·
- temporary directory
- · Specifying a temporary directory for spool files -- cd · Syntax definitions ·
- utilities
- · Spoolers ·
- wait before despooling
- · Syntax definitions ·
See also queues
- st_mode field, file access
- · File permissions ·
- standard input and output
-
- defaults
- · Default behavior ·
- writing to standard output
- · Testing parallel drivers ·
- standard time zone
-
- defining
- · Time zones and the realtime clock ·
See also time zones
- startup
-
- controlling order of processes
- · Setting priorities ·
- stop bits (modem)
- · Stop bits ·
- stty command
- · Starting device drivers ·
- su utility
- · Access control utilities · The su utility ·
- SUB character (DOS)
- · DOS text files ·
- superuser
-
- accessing accounting file
- · Enabling accounting ·
- adding new accounts
- · The passwd utility ·
- changing file mode bits
- · Changing permissions ·
- Dosfsys file ownership
- · File ownership ·
- editing password file
- · More about user and group IDs ·
- permissions on files
- · File permissions ·
- symbolic links
-
- partitioning pathname space
- · Linked independent ·
- sysinit file
-
·
sysinit ·
What happens when the system boots ·
See also system initialization file
- sysinit.node file
-
·
altsysinit ·
Step 4 -- Modify sysinit.node ·
What happens when the system boots ·
See also system initialization file
- syslog file
- · /tmp/syslog · /usr/adm/syslog ·
- system
-
- accounting information
- · Accounting file ·
- embedded systems
- · Embedded PCs ·
- files in /boot/sys directory
- · Mandatory processes ·
- including shared libraries in build file
- · Build file format ·
- initialization in build file
- · Build file format · Setting environment variables ·
- limiting user access to
- · setuid and setgid ·
- QNX software version (sin)
- · If from floppies... ·
- recovering data after crash
- · When to run chkfsys ·
- selecting processes by path
- · A typical directory structure ·
- troubleshooting boot failure
- · What to do if your system will no longer boot ·
- System Architecture, reading prior to installing QNX
- · Installing QNX onto a hard disk ·
- system initialization file
-
·
What happens when the system boots ·
- altsysinit
- · altsysinit ·
- base-level services
- · Base-level services ·
- contents
- · Base-level services ·
- copying to altsysinit before changing
- · altsysinit ·
- customizing for network node
- · Step 4 -- Modify sysinit.node ·
- establishing time zone
- · Establishing the time zone ·
- executing
-
·
Base-level services ·
- shell commands in
- · Base-level services ·
- first command in file
- · Establishing the time zone ·
- floating-point emulator
- · Starting the floating-point emulator ·
- getting time from realtime clock
- · Establishing the time zone ·
- hard disk booting
- · Establishing the time zone ·
- international keyboard support
- · International keyboard support ·
- last command in file
- · Starting a terminal daemon ·
- loading node mappings
- · Loading node mappings ·
- making alternate copy
- · Step 6 -- Modify the sysinit.node file ·
- modifying for boot server
- · Step 6 -- Modify the sysinit.node file ·
- mounting
-
- local filesystem
- · Primary/secondary ·
- remote filesystem
- · Primary/secondary ·
- nameloc utility
- · Starting a name server ·
- optional services
- · Optional services ·
- placing commands in separate file
- · Base-level services ·
- setting environment variables
- · Setting environment variables ·
- setting up spoolers and queues
- · Initialization files ·
- starting
-
- chkfsys
- · When to run chkfsys ·
- console driver
- · Starting device drivers ·
- cron server
- · Starting a cron server ·
- Device Manager
- · Starting device drivers ·
- DOS filesystem driver
- · Starting a DOS filesystem ·
- floppy driver
- · Starting a floppy driver ·
- Fsys
- · Primary/secondary ·
- login on all consoles
- · Starting a terminal daemon ·
- mouse driver
- · Starting a mouse driver (for console-based apps) ·
- network services
- · Step 3 -- Start the Network Manager & network driver(s) ·
- parallel driver
- · Starting device drivers ·
- serial driver
- · Starting device drivers ·
- sysinit
- · sysinit ·
- sysinit.node
- · altsysinit · sysinit.node ·
- system shared library, selecting processes from
- · Mandatory processes ·
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