The four types of operations—read, modify, create, and destroy—that control access to NIS+ objects for each of the authorization rights categories.
A graphical user interface tool that you can use to manage local systems.
A system that caches all of its needed system software from a server.
An alternative name or names assigned to a program or to an electronic mail address.
A server set up and administered exclusively to provide application services to users over the network.
The process of identifying the principal who made a request to a server by checking the principal's credentials. For NIS+, these credentials are based on encrypted verification information stored in the NIS+ cred table.
The four categories—nobody, owner, group, and world—that control access to NIS+ tables.
The database that you use to add home directories to the automounter. In SunOS 4.x releases, this database was a file or NIS+ table named auto.home.
Solaris software that automatically mounts a directory when a user changes into it. The automounter automatically unmounts the directory when it is no longer in use.
The local files or nameservice tables that the automounter consults to determine which directories to mount, which system to mount them from, and where to mount them on the user's local system.
The file system on the server from which a cache file system is mounted on a client.
An exclamation point (!) that acts as a single-character UNIX command or as a separator between the routes of a route-based electronic mail address such as the ones used in UUCP.
The directory into which the package commands and Admintool: Packages GUI install software packages. The default base directory is /opt.
The transmission speed of a serial communications channel, expressed in bits per second.
One of the Solaris command interpreters. The Bourne shell is the default user shell, and it is the shell language in which most system administration shell scripts are written.
A diagnostic device that plugs into an RS-232-C cable; it is used to test whether a signal is present on each cable pin.
A small, fast memory area that holds the most frequently referenced portions of a larger and/or slower memory. A cache is used to increase program or system performance. Examples include a disk cache where frequently referenced disk blocks are stored in RAM and a browser cache where frequently referenced Web pages and graphics objects are stored locally on a user's computer.
Common Desktop Environment. A windowing system based on the Motif graphical user interface.
An acronym for compact disc, read-only memory. CD-ROM is a read-only storage medium for digital data.
A serial port device that displays only letters, numbers, and other characters, such as those produced by a typewriter.
A process that is created by another process. The process that creates the environment for the child is called the parent.
A system or program that receives system resources from a remote system—called a server—over the network.
A program that translates human-readable source code into a machine-readable form in preparation for creating directly executable programs. For example, a C compiler translates a human-readable C program into a machine-readable executable program.
The combining of two or more files to create one larger file. Also, with Online: DiskSuite, the combining of separate component disks into a sequential system of disk blocks.
One of the Solaris command interpreters.
A special type of program that, once activated, carries out a specific task without any need for user intervention. Daemons typically are used to handle jobs that have been queued, such as printing, mail, and communication. Daemons are usually started when the system is booted. Because they typically are not started by a user, daemons communicate by means other than terminal I/O, such as log files, signals, and configuration files.
An automount map that specifies absolute paths as the mount point.
The framework of the NIS+ namespace that contains the org_dir and groups_dir administrative directories that contain the NIS+ tables.
A portable, nonvolatile storage medium used to store and access data magnetically. The Solaris Operating Environment supports 3.5-inch, double-sided, high-density (DS, HD) diskettes in raw and MS-DOS (PCFS) formats.
A directory structure for electronic mail addressing, network address naming, and NIS+ hierarchy naming. Within the United States, top-level Internet domains include com for commercial organizations, edu for educational organizations, gov for governments, mil for the military, net for networking organizations, and org for nonprofit organizations. us is used as the top-level domain for a U.S. geographical hierarchy; two-letter state codes are the second level in the geographic hierarchy, with cities, counties, or parishes following. Outside of the United States, top-level Internet domains designate the country. Subdomains designate the organization and the individual system.
Using a domain address to specify the destination of an electronic mail message or NIS+ table.
Digital Versatile Disc-read-only memory or Digital Video Disc-read-only memory. The Solaris 8 Operating Environment includes support for the Universal Disk Format (UDFS) file system, which is the industry-standard format for storing information on the optical media technology called DVD.
A set of programs that transmit mail messages from one system to another, usually over communications lines. Electronic mail is frequently referred to as e-mail.
A system- or user-defined variable that provides information about the operating environment to a program or shell.
A numeric value assigned in a program or a shell script to indicate whether it ran successfully. An exit status of 0 usually means that the program executed successfully. Any non-zero value usually means that the program failed, but it can also indicate various conditions of success.
A set of information, kept by the UNIX kernel, that is related to a file opened by a process. A file descriptor is represented by an integer. The file descriptor for STDIN is 0, for STDOUT is 1, and for STDERR is 2.
A kernel-generated address that identifies a file for NFS clients.
A hierarchical arrangement of directories and files.
A function used by a parent process to create a separate, but initially identical copy of itself. The copy is known as a child process, which can either perform activity on behalf of the parent or load another process on top of itself to carry out actions completely independenly of the parent process.
A domain name that contains all of the elements needed to specify where an electronic mail message should be delivered or where an NIS+ table is located. NIS+ and DNS fully qualified domain names always have a dot at the end.
A connection between differing communications networks. Also a system that handles electronic mail traffic between differing communications networks.
The seven new domains that are being added to the existing set to accommodate increased demand for domains because of the popularity of the Internet. The seven new domains are .arts, .firm, .info, .nom, .rec, .store, and .web.
The group identification number used by the system to control access to information owned by other users.
A defined collection of users on a system who can access common data.
The database that you use to create new group accounts or to modify existing group accounts. You access the Group database from the SMC Users tool.
A format used within a shell script to provide a collection of data within the shell script.
The part of the file system that is allocated to an individual user for private files.
A directory service that holds names and addresses for lookup of other hosts on a network.
An automount map that contains relative path names as mount points.
One of the seven states, or run levels, a system can be running. A system can run in only one init state at a time.
An entry in a predesignated area of a disk that describes where a file is located on that disk, the size of the file, when it was last used, and other identifying information.
A program that reads and executes programming commands in sequence—one by one as they are encountered. Shell scripts are an example of interpreted programs.
A unique Internet address number that identifies each system or device in a network.
The master program set of SunOS software that manages all of the physical resources of the computer, including file system management, virtual memory, reading and writing of files to disks and tapes, scheduling of processes, and communications over a network.
One of the Solaris command interpreters. The Korn shell is upwards- compatible with the Bourne shell and provides an expanded set of features.
A server process that provides users access to software licenses to enable users to access software programs. Licenses are frequently used to enforce a license agreement, whereby a maximum number of users are permitted to run a commercial software program concurrently.
An LP print service daemon that is run on a Solaris print server to listen for print requests from SunOS 4.x print clients on the network.
An LP print service daemon that is run on a print server to listen for print requests from Solaris print clients on the network.
The name assigned to an individual user to control that user's access to a system.
A standard UNIX tool, unrelated to sendmail, used as a front end to different compilers to expand easy-to-remember macro expresssions into “canned” complex constructs. Starting with version 8.9.3, sendmail uses the m4 macro processor to generate the sendmail.cf file from a macro configuration file.
The name of the recipient and the location to which an electronic mail message is delivered.
A file on a mail hub where mail messages are stored for a user.
A system that does not provide mail spooling for its users. Mail is spooled on a mail server.
A protocol that specifies the policy and mechanics used by sendmail when it delivers mail.
The main mail system on a network that receives and distributes mail outside of the network or the domain. A mail hub can also be a mail server.
Any system that stores mailboxes in the /var/mail directory. A mail server can also serve as a mail hub.
Services provided by a set of programs and daemons that transmit electronic mail messages between systems and distribute them to individual mailboxes.
The process by which sendmail rewrites the sender's e-mail addresses in outging messages so that they seem to come from the domain itself instead of from any specific host within that domain.
The automount map consulted by the automounter when a system starts up. The automount map contains the default mount points /net and /home and the names of the direct and indirect maps that the automounter consults.
A logical device that is created with the Sun Online: DiskSuite product to concatenate or stripe one or more disks into a single logical device unit.
The mount table file system, introduced in the Solaris 8 release, that provides read-only information to /etc/mnttab directly from the kernel about mounted file systems for the local system.
A peripheral device that modulates a digital signal so that it can be transmitted across analog telephone lines and then demodulates the analog signal to a digital signal at the receiving end. The name is a contraction for modulate/demodulate. A modem is one way to connect a UNIX workstation or PC to a remote server or network.
To extend a file system directory hierarchy by attaching a file system from somewhere else in the hierarchy.
A directory in the file system hierarchy where another file system is attached to the hierarchy.
The system file (/etc/mnttab) that keeps track of currently mounted file systems. Starting with the Solaris 8 release, the /etc/mnttab file is no longer a text-based file. Instead, it is an MNTFS file system.
A feature of the WebNFS service that enables the LOOKUP command to evaluate an entire path name with a single transaction.
A hierarchical arrangement of domains and subdomains, similar to the hierarchical UNIX file system, used by NIS+ and the automounter.
A printer with an internal network card that has its own IP address and is directly connected to the network.
The default Solaris distributed file system that provides file sharing among systems. NFS servers can also provide kernels and swap files to diskless clients.
The SunOS 4.x network information service.
The Solaris network information service.
A user or system whose credentials have been stored in an NIS+ namespace.
A cable that swaps RS-232 Transmit and Receive signals so that the proper transmit and receive signals are communicated between two data termination equipment (DTE) devices. The RS-232 Ground signal is wired straight through.
A windowing system based on the OPEN LOOK® graphical user interface.
The set of Solaris commands—pkgadd, pkgask, pkgchk, pkginfo, and pkgrm—that install, query, and remove software packages.
A process that can create a new process, called a child.
To resolve a string of characters or a series of words into component parts to determine their collective meaning. Virtually every program that accepts command input must do some sort of parsing before the commands can be acted upon. For example, the sendmail program divides an e-mail address into its component parts to decide where to send the message.
An NIS+ domain name that specifies the local directory only and does not contain the complete domain name. For example, hosts.org_dir is a partially qualified domain name that specifies the hosts table in the org_dir directory of the default NIS+ domain.
A discrete portion of a disk, configured with the format program. A partition is the same as a slice.
The database that you use to add, modify, or delete user accounts.
A list of directories that is searched to find a file. PATH is a shell environment variable used to find user commands.
A list of directory names, separated with slashes (/), that specifies the location of a particular file or directory.
Personal computer file system. A file system type for diskettes in MS-DOS-compatible format.
A physical connection between a peripheral device such as a terminal, printer, or modem and the device controller. Also, a logical access point on a system used to accept connections over a network.
A program that continuously watches for requests to log in or requests to access printers or files. The ttymon and listen port monitors are part of the Service Access Facility (SAF).
A shell script notation—$1, $2, $n—used to access command-line arguments.
Individuals or systems within the NIS+ namespace that have been “registered” with the NIS+ service.
A program in operation.
A file handle with a predefined value so the server does not need to generate a file handle for the client.
A data protection method whereby each party generates a “keypair” that consists of a public key and a private or secret key. The public key is made available to the universe and the private key is available only to the party that created it.
Request for Comments, specifically Internet protocols and standards. RFCs are submitted to SRI-NIC, where they are assigned numbers and are distributed by electronic mail to the Internet community. The most important RFCs (through 1985) are available in a three-volume publication, The DDN Protocol Handbook, which is available from SRI International in Menlo Park, California. RFCs are also available online at http://ds.internic.net/.
The highest level of a hierarchical system. As a login ID, the user name of the system administrator or superuser who has responsibility for an entire system. Root has permissions for all users' files and processes on the system.
The top-level domain in an NIS+ hierarchy.
The mail transport agent used by Solaris system software.
A system that provides network service, such as disk storage and file transfer or access to a database. Alternatively, a program that provides such a service.
A process that is started in response to a connection request.
The process that manages access to system services provided by the Service Access Facility.
The part of the system software that is used to register and monitor port activity for modems, terminals, and printers. SAF replaces /etc/getty as a way to control logins.
To make a file system available (mountable) to other systems on the network.
The command interpreter for a user, specified in the Passwd database. The Solaris Operating Environment supports the Bourne (default), C, and Korn shells.
A file containing a set of executable commands that are taken as input to the shell.
Local variables maintained by a shell. They are not passed on from parent to child processes.
Initialization files that are managed centrally and distributed globally by being referenced in users' .cshrc or .profile files.
An alternate name for a partition.
A set of graphical user interface tools—available in the Solaris 8 Update 3 release—that enable you to perform key system administration tasks. Most of the SMC tools can be used to manage both local and remote systems.
A directory where files are stored until they are processed.
The amount of space allocated on a print server for storing requests in a queue.
A system that has a local disk and that can boot without relying on a server.
The location where error messages are sent. The file descriptor for stderr is 2. The default device for stderr is the terminal screen.
The location where input is received from. The file descriptor for stdin is 0. The default device for stdin is the keyboard.
The part of a process that determines where the results of commands are displayed. The file descriptor for stdout is 1. The default device for stdout is the terminal screen.
Interlacing two or more disk partitions that make a single logical slice of up to 1 terabyte. With the Sun Online: DiskSuite product, the addressing of blocks is interlaced on the resulting metadevice to improve performance.
A user with special privileges granted if the correct password is supplied when the user is logging in as root or using the su command. For example, only the superuser can edit major administrative files in the /etc directory. The superuser has the user name root.
A special file that contains a pointer to the name of another file or directory.
A data protection method whereby a single secret key is shared by two parties.
Another name for a computer, PC, or workstation. A system can have either local or remote disks and may have additional peripheral devices, such as CD-ROM players, DVD-ROM drives, tape drives, diskette drives, modems, and printers.
The database that describes the characteristics of terminal devices and printers.
Application software that is not included as part of the basic system software.
The program that is responsible for receiving and delivering e-mail messages. The Solaris transport agent is sendmail.
Universal Disk Format file system, which is the industry-standard format for storing information on the optical media technology called DVD.
The default disk-based file system for the Solaris operating system.
The user identification number assigned to each login name. UID numbers are used by the system to identify, by number, the owners of files and directories. The UID of root is 0.
An interface in the sendmail.cf file that is a de facto industry standard. Uncommitted interfaces have never had a formal architectural review, and they may be subject to change.
To remove a file system from a mount point so that the files are no longer accessible.
Mail with an address for which sendmail cannot find a recipient in the specified domain.
An account set up for an individual user in the /etc/passwd file or the Passwd database that specifies the user's login name, full name, password, UID, GID, login directory, and login shell.
A graphical user interface tool accessed from Admintool to add users to a local system. You can also use the SMC Users tool to add users to an NIS+ environment or to a local system.
A program that acts as the interface between the user and the sendmail program. The user agents for the Solaris Operating Environment are /usr/bin/mail, /usr/bin/mailx, /usr/dt/bin/dtmail, and $OPENWINHOME/bin/ mailtool.
Data, either numeric or alphanumeric.
A name that refers to a temporary storage area in memory. A variable holds a value.
The file (/etc/vfstab) that specifies which file systems are mounted by default. Local UFS file systems and NFS file systems that are mounted automatically when a system boots are specified in this file.
A memory management technique used by the operating system for programs that require more space in memory than can be allotted to them. The kernel moves only pages of the program currently needed into memory, while unneeded pages remain on the disk. Virtual memory extends physical memory over disk.
System software available with Solaris 2.2 and later releases that mounts CD-ROM and diskettes automatically without requiring superuser permission. Starting with the Solaris 8 release, volume management supports DVD-ROM devices and USB Iomega Jaz and Zip drives.
An extension to NFS version 3 and version 2 that enables servers to make files in a directory available with a public file handle.
A shell script installed on an application server that is used to set up the environment for that application; the wrapper then executes the application.
A type of cache that immediately updates its data source as data is changed or added to the cache.
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