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Files Topics: Operating System Files


Read about System Files, select from Alphabetical List, select from File Categories, or go back to Files Topics.

Alphabetical List

backup File Copies the file system onto temporary storage media.
bincmds File Contains the shell commands that process audit bin data.
config File Contains audit system configuration information.
consdef File Enables asynchronous tty devices to be console candidates at system boot when no console device is defined or available.
/dev/hty File Defines the Network Terminal Accelerator adapter tty interface.
/dev/rhp File Defines the Network Terminal Accelerator adapter raw interface.
dir File Describes the format of a directory.
distfile File Specifies the files to copy, destination hosts for distribution, and operations to perform when updating files to be distributed with the rdist command.
dsinfo File Contains the terminal descriptions for the Dynamic Screen utility.
dumpdates File Describes the format of the dumpdates file.
environ File Defines the environment attributes for users.
environment File Sets up the user environment.
/etc/group File Contains basic group attributes.
/etc/passwd File Contains basic user attributes.
/etc/security/group File Contains extended group attributes.
/etc/security/passwd File Contains password information.
events File Contains information about system audit events.
.fig File Contains a list of F file names.
filesystems File Centralizes file system characteristics.
.forward File Automatically forwards mail as it is received.
image.data File Contains information on the image installed during the Base Operating System installation process.
INed Files Contains programs and data used by the INed program.
inittab File Controls the initialization process.
inode File Describes a file system file or directory entry as it is listed on a disk.
irs.conf File Specifies the ordering of certain name resolution services.
ispaths File Defines the location of all databases in a library.
isprime File Specifies the labels for links to primary navigation articles.
.kshrc File Contains a shell script that customizes the Korn-shell environment.
limits File Defines process resource limits for users.
login.cfg File Contains configuration information for login and user authentication.
mibII.my File Provides sample input to the mosy command.
mkuser.default File Contains the default attributes for new users.
NLSvec File Encodes PostScript fonts for the ISO8859-1 codeset characters that have code points of more than 127 decimal.
ntp.conf File Controls how the Network Time Protocol (NTP) daemon xntpd operates and behaves.
ntp.keys File Contains key identifiers and keys controlling authentication of Network Time Protocol (NTP) transactions.
objects File Contains the audit events for audited objects (files).
pcnfsd.conf File Provides configuration options for the rpc.pcnfsd daemon.
portlog File Contains per-port unsuccessful login attempt information and port locks.
pwdhist File Contains password history information.
qconfig File Configures a printer queuing system.
rc.boot File Controls the machine boot process.
setup.csh File Sets the C-shell environment variables needed to build an InfoCrafter database.
setup.sh File Defines the Bourne or Korn shell environment variables needed to build an InfoCrafter database.
smi.my File Defines the Bourne or Korn shell environment variables needed to build an InfoCrafter database.
snmpd.conf File Defines a sample configuration file for the snmpd agent.
socks5c.conf File Contains mappings between network destinations and SOCKSv5 servers.
.srf File Contains all the text components with hypertext information embedded.
streamcmds File Contains auditstream commands.
sysck.cfg File Contains file definitions for the trusted computing base.
user File Contains extended user attributes.
vfs File Describes the virtual file systems (VFS) installed on the system.

File Categories

3270 Host Connection Program (HCON) Files

e789_ctbl File for HCON Contains the default binary color definition table for HCON.
e789_ktbl File for HCON Contains the default binary keyboard definition table used by HCON.

Basic Networking Utilities (BNU) Files

audit File for BNU Contains debug messages from the uucico daemon.
Command (C.*) Files for BNU Contains file transfer directions for the uucico daemon.
Data (D.*) Files for BNU Contain data to be sent to remote systems.
errors File for BNU Contains a record of uucico daemon errors.
Execute (X.*) Files for BNU Contains instructions for running commands that require the resources of a remote system.
Foreign File for BNU Logs contact attempts from unknown systems.
remote.unknown File for BNU Logs access attempts by unknown remote systems.
Temporary (TM.*) Files for BNU Store data files during transfers to remote systems.
xferstats File for BNU Contains information about the status of file transfer requests.

Mail Files

aliases File for Mail Contains alias definitions for the sendmail command.
netsvc.conf File Specifies the ordering of certain name resolution services.
sendmail.cf File Contains the configuration information for the sendmail command.

Message Handler (MH) Files

.maildelivery File for MH Specifies actions to be taken when mail is received.
.mh_profile File Customizes the Message Handler (MH) package.
mhl.format File Controls the output format of the mhl command.
mtstailor File for MH Tailors the Message Handler (MH) environment to the local environment.

Network File System (NFS) Files

bootparams File for NFS Contains the list of client entries that diskless clients use for booting.
exports File for NFS Contains a list of directories that can be exported to Network File System (NFS) clients.
networks File for NFS Contains information about networks on the NFS Internet network.
rpc File for NFS Contains the database for Remote Procedure Calls (RPC) program numbers using NFS.
xtab File for NFS Contains entries for currently exported NFS directories.

Network Information Service (NIS) Files

ethers File for NIS Contains the Ethernet addresses of hosts on the Internet network.
netgroup File for NIS Lists the groups of users on the network.
netmasks File for NIS Contains network masks used to implement Internet Protocol (IP) standard subnetting.
publickey File for NIS Contains public or secret keys for maps.
updaters File for NIS Updates NIS maps.

Network Installation Management (NIM) File

ClientHostName.info File Created by the Network Installation Management (NIM) software to deliver information to the boot environment of NIM client machines.
.info File Stores configuration information used by the Network Installation Management (NIM).

Transmission Control Protocol/Internet Protocol (TCP/IP) File

BOOTP Relay Agent Configuration File Default configuration information for the BOOTP (boot protocol) relay agent program (dhcprd).
DHCP Client Configuration File Default configuration information for the Dynamic Host Configuration Protocol (DHCP) client program (dhcpcd).
DHCP Server Configuration File Defines default configuration information for the Dynamic Host Configuration Protocol (DHCP) server program (dhcpsd).
rc.tcpip File for TCP/IP Initializes daemons at each system restart.

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