Essays Tagged: "Unix"

Hackers: Technological Wizards

ever typed it in. Another way that passwords are stolen is by downloading a targeted password file. UNIX's /etc/passwd and VMS's SYS$SYSTEM:SYSUAF.DAT files are downloaded to the hackers computer and ... YS$SYSTEM:SYSUAF.DAT files are downloaded to the hackers computer and cracked locally.Six character UNIX-based passwords have been cracked in less than an hour. If only lower-case letters are used in ...

(9 pages) 178 1 3.0 Feb/1996

Subjects: Science Essays > Computer Science > Internet and networking

Where did UNIX come from and why are there different versions of UNIX?

egan to develop their own single-user, multi-tasking small operating system and they chose the name UNIX. Their initial goalwas simply to operate their DEC PDP machines more effectively. In 1971, UNIX ... t they were developing did not run on any machine made by Bell!)In 1973, Dennis Ritchie rewrote the UNIX operating system in C (a language he had developed.) And in 1975, the portabilityof the C progr ...

(1 pages) 125 0 4.0 Dec/1996

Subjects: Science Essays > Computer Science

A comprehensive look at the development of the computer programming language, focusing partially on C++.

tion of C in 1972, a whole new standard was set for programming languages. It was developed for the UNIX operating system, making it the leading language. C offered many advanced features, for instanc ... y Dennis Ritchie, while he was working at Bell Laboratories. He developed this language for the new UNIX system that was also being created at that time. Because of this, C and UNIX go hand in hand. C ...

(8 pages) 266 1 4.7 Feb/2003

Subjects: Science Essays > Computer Science > Programming Languages


UNIXThis is a review of Unix that was obtained from is a multi-user and multitaskin ... m Bell Laboratories. Because of federal regulations Bell Laboratories was prohibited from promoting UNIX in the commercial marketplace but instead licensed it to colleges and universities for a low fe ... d on many different types of computers. After the deregulation of the phone companies in the 1980's UNIX was licensed to many hardware and software companies, which in turn created their own computer ...

(1 pages) 96 1 3.0 Oct/2003

Subjects: Science Essays > Computer Science

Linux Operating System (graduate level CIS term paper)

, Linus Torvalds, at the University of Helsinki in Finland. Linus had an interest in Minix, a small UNIX system, and decided to develop a system that exceeded the Minix standards. He began his work in ... Of LinuxA Linux operating system consists of a kernel and some system programs like its predecessor UNIX. There are also some application programs for doing work. The kernel is the heart of the operat ...

(23 pages) 527 1 5.0 Mar/2004

Subjects: Science Essays > Computer Science

Report on JavaScript and its association with Multimedia

rating systems (MacOS). Less popular (but just as, if not better) Operating systems include: Linux, Unix, BeOS, as well as many others. What is meant when referring to JavaScript, as 'Cross Platform' ...

(6 pages) 139 2 4.2 Apr/2004

Subjects: Science Essays > Computer Science

A Breif History of Unix

A Brief History of UnixHISTORY OF UNIX AND CAUSES FOR ITS POPULARITYMost discussions of UNIX begin with the history of ... LARITYMost discussions of UNIX begin with the history of UNIX without explaining why the history of UNIX is important to understanding UNIX. The remainder of this document will describe some strengths ... o understanding UNIX. The remainder of this document will describe some strengths and weaknesses of UNIX and attempt to explain why UNIX is becoming popular. All of UNIX's strengths and weaknesses can ...

(6 pages) 132 2 5.0 Jun/2004

Subjects: Science Essays

Comparing and contrasting the various file systems used by Windows.

AbstractThe purpose of this paper is to analyze, compare and contrast UNIX and Windows 2000 Operating Systems in terms of their current;- Cost- Market share- Hardware req ... BSD 15.0% BSD Family (FreeBSD, NetBSD, OpenBSD, BSDI, ...)* IRIX 5.3% SGI IRIXHardware.In many ways UNIX and Windows 2000 are basically the same in the term of being an operating system. Both have a k ... ajor difference is the processor. The processor is the biggest difference in the two OS's platform. UNIX runs on a reduced instruction set computer (RISC) while windows require an x86 INTEL style proc ...

(12 pages) 314 1 1.0 Nov/2005

Subjects: Science Essays > Technology

FreeBDS vs Linux , promoting Nathan Boeger

There is no formal code review policy and for this reason Linux has been suceptible to nearly every Unix-based CERT advisory of the year. This problem is compounded by the fact that distributions like ... iltering firewall system and many intrusion detection tools.File SystemFreeBDSFreeBSD uses the UFS (Unix File System), which is a little more complex than Linux's ext2. It offers a better way to insur ...

(3 pages) 35 0 3.0 Mar/2006

Subjects: Businesss Research Papers > Case Studies

History of UNIX

face for the hardware and other software.Many operating systems have been developed over the years. UNIX is outstanding in both its long life and strength.II. UNIX - In the BeginningUNIX was first for ... transform the game to run on a smaller computer. But a new operating system was needed and voila! - UNIX.The UNIX project team members established a set of guidelines to assist them in development of ...

(4 pages) 79 1 4.3 Jul/2006

Subjects: Science Essays > Computer Science

Job Analysis: Intermediate Systems Administrator

nstallation, printer systems, and third party software installations.- A solid understanding of the UNIX operating system including knowledge on paging and swapping, inter-process communication and fi ... stressful situations.Computer based screening of administering complex systems, computer programs, UNIX operating systemsStep two: interview with human resources managerAcquiring background informati ...

(2 pages) 96 0 3.0 Sep/2006

Subjects: Businesss Research Papers > Management > Human Resource Management

DNA Sequencing and computer

that are used in DNA sequencing analysis.BASS (Whitehead Institute for Biomedical Research)Bass is Unix-based software for tracking, extracting, and base calling DNA sequencing gels. It can handle th ... re environment for supporting DNA sequencing projects. FAKtory runs on machines configured with the UNIX operating system. FAKtory is highly configurable and can perform fragment clipping, prescreenin ...

(2 pages) 11 0 3.0 Nov/2006

Subjects: Science Essays > Genetics & Genome Projects

Local Area Network

Linux Operating System Linux is a free Unix-like operating system that started in 1991 as a project of Linux Torvalds, a computer science s ... science student at the University of Helsinki, Finland. It is a powerful, stable, flexible and fun Unix-like operating system (most programs written for Unix are fully compatible with Linux systems) ... time without having performance problems. ( Although Linux is an Unix-like operating system, Unix is very expensive and only some of the big companies can afford it. ...

(5 pages) 59 0 5.0 Mar/2001

Subjects: Science Essays > Computer Science

Linux And Unix

Computers haven't always worked together and shared data effortlessly. Unix and Linux changed the computer world by letting computers of different types work together well ... ogether well. Networking is now a major part of the computer industry. Linux is based closely after Unix with elements of DOS and Minix. Now Linux has the chance to overthrow Windows to become the top ... prices are going down. Each distribution of Linux has a totally different setup and install process.Unix was created in Bell Laboratories, under the AT&T in 1969. Unix was originally created by re ...

(6 pages) 82 0 5.0 May/2001

Subjects: Science Essays > Computer Science


net everyday without knowing that they are using it. Intranet, therefore, is the client/server, PC, Unix, Apple and many other applications that one has been using on his/her work. Security on the Int ...

(3 pages) 55 0 5.0 Feb/2008

Subjects: Science Essays > Computer Science

Simply DOS, 2nd Edition

ke it hang. So it is suitable for business, as it is like the great OS that used in many companies, UNIX.For working with DOS, first of all, we need to get comfortable with the computer's hardware and ...

(2 pages) 298 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Internship at Siemens

e charged with one/two of them.We test NoteB of TD-SCDMA group by group, built simulative Client in Unix, wrote scripts to execute the tasks of telephone call and files transmission.If bugs found, we ...

(1 pages) 21 0 0.0 Feb/2008

Subjects: Humanities Essays > Philosophy

Description of UNIX, commands, ownership, and how it is written

File directory permissions and ownershipIn UNIX, the system works with an owner, group, and everyone else. The owner is the designated user tha ... ve over a file’s contents and what can be viewed. This file viewing is controlled by commands. UNIX uses three commands for permissions, “rwx” (R) reading the file, (W) modifying the fi ... e only6 rw- 110 Read and write allowed7 rwx 111 Everything is allowed( )Examples of this are:"-rwxr-xr-x" is 755 in octal, the first set “read, ...

(3 pages) 16 0 2.3 Oct/2008

Subjects: Science Essays > Technology

Computer Viruses

bs.Network worm has struck 6200 machines that formed 7,3% computers to network, and has shown, that UNIX not okay too. Amongst damaged were NASA, LosAlamos National Lab, exploratory centre VMS USA, Ca ... re some recalls of the event participants:Symptom: hundreds or thousands of jobs start running on a Unix system bringing response to zero.Systems attacked: Unix systems, 4.3BSD Unix & variants (e. ...

(13 pages) 38 2 4.5 Jan/2009

Subjects: Science Essays > Computer Science

Body Identification Technology

all internal systems such as net routers and firewalls. The position usually spills over into some Unix systems administration work, but ‘basically, it’s a plumbing job,’ says one engi ...

(2 pages) 1527 0 1.0 Mar/2010

Subjects: Science Essays > Technology