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GNU Oleo
GNU Oleo is a discontinued lightweight free software spreadsheet originally designed as a text-based spreadsheet using the curses library. The last development version of Oleo, 1.99.16, was released in 2001. History The project was started in 1992 by Tom Lord, and became part of the GNU initiative around 1994.Clifford Smith, , BSD Today, August 2000 At the time, the only open source alternative was the older text-based sc, both products having similar functionality to early versions of Lotus 123 or Microsoft Excel. Oleo's key bindings however were inspired from the Unix world, and similar to those used by the emacs editor, which frustrated novice users familiar with the DOS counterparts.Dean OisboidNovice to Novice Linux Journal, August 1st, 1995 Oleo and sc were the first Unix spreadsheet applications to acquire a graphical user interface.Vincent GranetThe Xxl Spreadsheet Project April 1st, 1999, Linux Journal Because Oleo was officially part of the GNU project, it was dubbed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
C (programming Language)
C (''pronounced like the letter c'') is a General-purpose language, general-purpose computer programming language. It was created in the 1970s by Dennis Ritchie, and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs. It has found lasting use in operating systems, device drivers, protocol stacks, though decreasingly for application software. C is commonly used on computer architectures that range from the largest supercomputers to the smallest microcontrollers and embedded systems. A successor to the programming language B (programming language), B, C was originally developed at Bell Labs by Ritchie between 1972 and 1973 to construct utilities running on Unix. It was applied to re-implementing the kernel of the Unix operating system. During the 1980s, C gradually gained popularity. It has become one of the measuring programming language popularity, most widely used programming languages, with C compilers avail ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IX (magazine)
''iX'' is a German monthly computer magazine, published by the Heise Verlag publishing house since 1988. The magazine focuses primarily on professional IT. Within this area it deals with a broad range of issues, ranging from various programming topics, server hardware reviews and virtualization, computer security to articles about emerging technologies and current IT related legal or political issues. The magazine is headquartered in Hannover. It has an older sister magazine, ''c't'', which covers general computer technology Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of algorithmic processes, and development of both hardware and software. Computing has scientific, e .... The magazine had a sold circulation of about 51,000 (Q3/2008; printed circulation: 72,000).. External links HomepageHeise Verlag homepage and news siteMediadata iX 1988 establishments in West Germany Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MySQL
MySQL () is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, and "SQL", the acronym for Structured Query Language. A relational database organizes data into one or more data tables in which data may be related to each other; these relations help structure the data. SQL is a language programmers use to create, modify and extract data from the relational database, as well as control user access to the database. In addition to relational databases and SQL, an RDBMS like MySQL works with an operating system to implement a relational database in a computer's storage system, manages users, allows for network access and facilitates testing database integrity and creation of backups. MySQL is free and open-source software under the terms of the GNU General Public License, and is also available under a variety of proprietary licenses. MySQL was owned and sponsored by the Swedish com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GNU Scientific Library
The GNU Scientific Library (or GSL) is a software library for numerical computations in applied mathematics and science. The GSL is written in C; wrappers are available for other programming languages. The GSL is part of the GNU Project and is distributed under the GNU General Public License. Project history The GSL project was initiated in 1996 by physicists Mark Galassi and James Theiler of Los Alamos National Laboratory.GSL homepage They aimed at writing a modern replacement for widely used but somewhat outdated Fortran libraries such as . They carried out the overall design and wrote early modules; with that ready they recruited other scientists ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plotutils
GNU plotutils is a set of free software command-line tools and software libraries for generating 2D plot graphics based on data sets. It is used in projects such as PSPP and UMLgraph, and in many areas of academic research, and is included in many Linux distributions such as Debian. Windows and Mac OS X versions are also available. The library provides bindings for the C and C++ languages. Its stand-alone command-line tools can generate graphs and perform numerical calculation of spline curves and systems of ordinary differential equations. Plotutils is a GNU package and is distributed under a free software licence, the GPL. History Several utilities were inspired by Unix plotting utilities. A ''graph'' utility and various plot filters were present in the first releases of Unix from Bell Laboratories. By the time of Version 7 Unix, ''graph'', ''plot'', ''spline'', and several device-dependent versions of ''libplot'' were a standard Unix features. The first display de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cut, Copy, And Paste
In human–computer interaction and user interface design, cut, copy, and paste are related commands that offer an interprocess communication technique for transferring data through a computer's user interface. The ''cut'' command removes the selected data from its original position, while the ''copy'' command creates a duplicate; in both cases the selected data is kept in temporary storage (the clipboard). The data from the clipboard is later inserted wherever a ''paste'' command is issued. The data remains available to any application supporting the feature, thus allowing easy data transfer between applications. The command names are an interface metaphor based on the physical procedure used in manuscript editing to create a page layout. This interaction technique has close associations with related techniques in graphical user interfaces (GUIs) that use pointing devices such as a computer mouse (by drag and drop, for example). Typically, clipboard support is provided by an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LessTif
LessTif is a defunct free software reimplementation or clone of the Motif computer programming toolkit. The project aimed for full source- and binary-code compatibility with Motif. While this was not achieved, many Motif applications could run with LessTif or be compiled with it. As opposed to Motif, which was distributed until October 2012 under a proprietary license that could require the payment of royalties, LessTif was developed under the GNU Lesser General Public License (LGPL). The license of Motif was the main motivation for the development of LessTif. Following the release of the original Motif toolkit as open source under the LGPL in 2012, the LessTif project was abandoned. See also *History of free software In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source code, the human-readable form of software, was generally distributed with the software p ... Refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motif (software)
In computing, Motif refers to both a graphical user interface (GUI) specification and the widget toolkit for building applications that follow that specification under the X Window System on Unix and Unix-like operating systems. The Motif look and feel is distinguished by its use of rudimentary square and chiseled three-dimensional effects for its various user interface elements. Motif is the toolkit for the Common Desktop Environment and IRIX Interactive Desktop, thus it was the standard widget toolkit for Unix. Closely related to Motif is the Motif Window Manager (MWM). After many years as proprietary software, Motif was released in 2012, as free software under the GNU Lesser General Public License (LGPL-2.1-or-later). History Motif was created by the Open Software Foundation (OSF) to be a standard graphical user interface for Unix platforms. Rather than create a new interface from scratch, OSF opened a Request For Technology (RFT) in 1988 to solicit existing technologies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
X Window
The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting with a mouse and keyboard. X does not mandate the user interfacethis is handled by individual programs. As such, the visual styling of X-based environments varies greatly; different programs may present radically different interfaces. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. The X protocol has been at version 11 (hence "X11") since September 1987. The X.Org Foundation leads the X project, with the current reference implementation, X.Org Server, available as free and open-source software under the MIT License and similar permissive licenses. Purpose and abilities X is an architecture-independent system for remote graphical user interfaces and input device capabilities. Each person using a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sc (spreadsheet Calculator)
sc is a cross-platform, free, TUI, spreadsheet and calculator application that runs on Unix and Unix-like operating systems. It has also been ported to Windows. It can be accessed through a terminal emulator, and has a simple interface and keyboard shortcuts resembling the key bindings of the Vim text editor. It can be used in a similar manner to other spreadsheet programs, e.g. for financial and budgeting purposes. The program is based on the ncurses interface library, and has a rich manual page describing its options and configuration. It has a rich mathematical formula library and uses the same file format as Xspread, also supporting plugins as external commands. The program was previously known as vc. sc is already present in the default repositories of popular Linux distributions such as Ubuntu, Fedora A fedora () is a hat with a soft brim and indented crown.Kilgour, Ruth Edwards (1958). ''A Pageant of Hats Ancient and Modern''. R. M. McBride Company. It is typic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
