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Simple Java Programs – W3Professors
http://www.w3professor.com/category/javaprograms/simple-java-program
The Easiest Way of Learning. Program to Calculate Compound Interest. Program to Calculate Depreciation. Program to Convert Decimal Number to Binary, Octal and Hexadecimal. Program to Convert Fahrenheit into Celsius. Program to Find Roots of Quadratic Equation. Program to Add Two Numbers by Using Command Line Argument. Program to Calculate Square Root of a Number. Program to Print Alphabets from ASCII Value. Program to Print ASCII Value of Alphabets. Unix for DOS Users. File and Directory Structure.
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File Name Generation – W3Professors
http://www.w3professor.com/category/unix_tutorial/file-name-generation
The Easiest Way of Learning. At present UNIX OS file has a file name. It follows the naming rule. File name is composed from 1 to 14 characters latest version allows up to 255 character. Characters are from the following list. Period( . ). Comma( , ). Only exception is root directory, which is always named or referred to by this single character. No other file can use this name. Unix distinguishes between upper and lowercase letters in filenames. ( Ex. God,god, GOD). Filename extensions are optional .
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Various Unix Flavors – W3Professors
http://www.w3professor.com/category/unix_tutorial/unix_flavors
The Easiest Way of Learning. Alliant FX/8 with Concentrix4.1. Altos 486 ,586 ,or 986 with XENIX 3.0. Altos ACS68000 with UNIX system IIIR2. Amdahl mainframes with UTS 2.4 and UTSV 5.26b. Amdahl mainframes with UNIX system VR 5.26. Apollo workstations with Aegis9.7 and with Domain OS SR 10.0 and 10.4. Apple Macintosh with A/UX. Apple Powerbook with MachTen 2.1.1.D. AT3B2 and 3B20 systems with UNIX System VR2. AT6300 PlUS with UNIX system VR2. AT6386 WGS UNIXPC(3B1) System VR 3.51m. Atari Falcon with MiNT.
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Unix Standard – W3Professors
http://www.w3professor.com/category/unix_tutorial/unix_standard
The Easiest Way of Learning. A number of different versions of Unix have been released commercially. We will discuss several of these that can be implemented on personal computers here. As a rule a Unix system includes the following:. C compiler and Debugger. Available support for other languages such as Basic, Cobol and Pascal. Over 200 utilities including text processing, programming aids, source code system, and games. C compiler and Debugger. PC – DOS interface. Coherent is a Unix look alike from the...
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Unix for DOS Users – W3Professors
http://www.w3professor.com/category/unix_tutorial/unix-for-dos-users
The Easiest Way of Learning. Unix for DOS Users. Unix for DOS Users. A quick reference for users of DOS who are moving to Unix :. Display list of files. Display contents of files. Display file with pauses. Find string in file. Display date and time. Display free disk space. Echoes output to the screen. Compares the contents of files. Finds a string of text in a file. Unix for DOS Users. File and Directory Structure. File Name Generation Characters. Java Relational and Conditional Operators.
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History of Unix – W3Professors
http://www.w3professor.com/category/unix_tutorial/history_of_unix
The Easiest Way of Learning. In late 1960’s Bell Lab had partnered with the Massachusetts Institute of Technology (MIT). And General Electric in a project to develop the first interactive, multi-user or multitasking OS for implementation on General Electric (GE) mainframe computer. This OS was named MULTICS. Multiplexed Information and Computing Services). Vintage hardware AT & T. Decided to expose the project to MIT and GE continued development. MULTICS. Attracted a young scientist, Ken Thomson. CPL bor...
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Home – W3Professors
http://www.w3professor.com/category/home
The Easiest Way of Learning. An Introduction to JAVA. Building Programs with Java. Donot Fear from Object Oriented Programming (OOP). Important Concepts of Java. Network Programming in Java. OOP concepts in Java. JDBC (Java Database Connectivity). Java Virtual Mechine ( JVM). Multithreaded Programming using Java Threads. Web Programming with Java. Unix for DOS Users. File and Directory Structure. File Name Generation Characters. Java Relational and Conditional Operators. Java Shift and Logical Operators.
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Introduction – W3Professors
http://www.w3professor.com/category/unix_tutorial/introduction
The Easiest Way of Learning. Unix is an OS of immense power, and this power can be used in many ways, not all of them obviously. We hope to make you familiar with those abilities of Unix that go beyond the needs of the occasional user, to the needs of someone who works with Unix regularly. The Unix system runs on so many computers and is used in so many different ways that basic OS has spawned various Unix version implementations. Designing his own OS. Modifying an existing OS. Control resources (CPU, I/...
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File Permission – W3Professors
http://www.w3professor.com/category/unix_tutorial/file-permission
The Easiest Way of Learning. File & Directory Permission. All files and directories created under Unix have a set of permissions attached to them like read,write and execute. Actually there are nine permissions three each for three categories of users such as user, members and groups or others. User can find the file permissions by using $ls -l command. Rw-r–r– 1 mygr 160 dec 24 10:30 my. Ie, what file it contains. Example: $ cat my. CHANGE PERMISSION ON FILES and DIRECTORIES. Unix Allows user to set eac...