Guide to Unix using Linux Key Terms Chp 1
| Terms | Definitions |
|---|
| UNIX/Linux are ____ systems, which let many people simultaneously access and share the resources of a server computer. a. superuser c. multitasking b. peer-to-peer d. multiuser |
d. multiuser
|
| UNIX and Linux are ____ systems, which allow one user to execute more than one program at a time. a. server-based c. multitasking b. peer-to-peer d. multiuser |
c. multitasking
|
| ____ is an Internet terminal emulation program. |
c. Telnet
|
| Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX. a. POSIX c. ANSI b. BSD d. Ubuntu |
a. POSIX
|
| Stephen Bourne at AT&T Bell Labs developed the ____ shell as the first UNIX command processor. a. Bash c. C b. Bourne d. Korn |
b. Bourne
|
| Linux uses the freeware ____ shell as its default command interpreter. a. Bash c. C b. Bourne d. Korn |
a. Bash
|
| You can use the ____ command to show the system calendar. a. clndr c. cal b. syscal d. calendar |
c. cal
|
| To determine information about who is logged in, you can use the ____ command. a. whatis c. whois b. who d. whoami |
b. who
|
| In the Linux Bash shell, the ____ key combination moves the cursor to the previous letter. a. Ctrl+b c. Alt+l b. Alt+d d. Ctrl+a |
a. Ctrl+b
|
| In the Linux Bash shell, the ____ key combination deletes the content of the command line from the current cursor position to the end of the command line. a. Ctrl+b c. Ctrl+k b. Alt+d d. Ctrl+a |
c. Ctrl+k
|
Argument
Text that provides UNIX/LINUX with additional information for executing a command. On the command line, an argument name follows an option name, and a space separates the two. Example are file and directory names.
Authentication
The process of verifying that a user is authorized to access a particular computer, server, network, or network resource, such as Telnet or FTP
Bash Shell
A UNIX/LINUX command interpreter (and the default Linux shell ) Incorporates the best features of the Bourne shell and the Korn shell. Its name is an acronym for Bourne Again Shell.
Berkeley Software Distribution (BSD)
A distribution of UNIX developed through the University of California at Berkeley, which first distirbuted the BSD UNIX version in 1975.
Bourne Shell
The first UNIX/Linux command interpreter, developed at AT&T Bell Labs by Stephen Bourne.
C Shell
A UNIX/Linux command interpreter designed for C programmers.
Case sensitive
A property that distinguishes uppercase letters from lowercase letters.
Client
A computer on a network running programs or accessing files from a mainframe, network server, or host computer.
Command
Text typed after the command line prompt which requests that the computer take a specific action.
Command Line
The onscreen location for typing commands.
Domain Name
A name that identifies a grouping of computer resources on a network. Internet-based domain names consist of three parts: a top-level domain, a sub domain and a host name.
FTP File Transfer Protocol
An internet protocol for sending and receiving files.
GUI
Software that transforms bitmaps into an infinite variety of images, so that when you use an operating system you see graphical images.
IP address
A set of four numbers separated by periods. and used to identify and access remote computers on a network or over the internet.
Kernal
The basic operating system, which interacts directly with the hardware and services user programs.
Kernel Mode
A means of accessing the kernel. Its use is limited to the system administrator to prevent unauthorized actions from interfering with the hardware that supports the entire UNIX / Linux structure.
Korn Shell
A UNIX/Linux command interpreter that offers more feature than the original Bourne shell. Developed by David Korn at AT&T Bell labs.
Log in
A process that protects privacy and safeguards a mulituser system by requiring each user to type a user name and password before using the system.
Mainframe
A large computer that has historically offered extensive processing, mass storage, and client access for industrial-strengthcp,computing. Mainframes are still in use today, but many have been replaced by PC-type computers that are designed as servers with powerful processing and disk storage capabilities.
Man Pages
The online manual pages for UNIX/Linux commands and programs that can be accessed by entering man plus the name of the command or program.
Multitasking System
A system in which many people can simultaneously access and share a server computer’s resources. To protect privacy and safeguard the system, each user must type a user name and password in order to user, or log in to, the system. UNIX and Linux are multiuser systems.
Network
A group of computers connected by network cable or wireless communications to allow many users to share computer’s resources and files. It combines and convience and familiarity of the personal computer with the processing power of a mainframe.
Operating System (OS)
The most fundamental computer program, it controls all the computer’s resources and provides the base upon which
Guide to Unix using Linux Key Terms Chp 1