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Encyclopedia > LiveCD
Gnoppix 0.8.1-beta5 running Epiphany 1.4.0 under GNOME, with Gaim connected to the freenode IRC Network
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Gnoppix 0.8.1-beta5 running Epiphany 1.4.0 under GNOME, with Gaim connected to the freenode IRC Network

A LiveCD is an operating system (usually containing other software as well) stored on a bootable CD-ROM or DVD-ROM that can be executed from it, without installation into permanent memory, such as a hard drive. The system returns to its previous OS when the LiveCD is ejected and the computer is rebooted. It does this by placing the files which typically would be stored on a hard drive, into temporary memory, such as a ram disk. This however does cut down on the RAM available to applications, reducing performance somewhat. Download high resolution version (1024x768, 196 KB) Screenshot of Gnoppix 0. ... Download high resolution version (1024x768, 196 KB) Screenshot of Gnoppix 0. ... Screenshot of Gnoppix desktop In computing, Gnoppix is a Debian-based LiveCD that uses the GNOME desktop environment. ... Epiphany is a web browser for the GNOME computer desktop. ... The GNOME project is an international effort to create an easy-to-use computer desktop environment built entirely from software considered free by the Free Software Foundation. ... Buddylist of Gaim 1. ... The title of this article is incorrect due to technical limitations. ... Internet Relay Chat (IRC) is a form of instant communication over the Internet. ... In computing, an operating system ( aka, OS) is the system software responsible for the direct control and management of hardware and basic system operations. ... A BOOTING is any exercise of the verb to boot. ... The CD-ROM (an abbreviation for Compact Disc Read-Only Memory (ROM)) is a non-volatile optical data storage medium using the same physical format as audio compact discs, readable by a computer with a CD-ROM drive. ... DVD is an optical disc storage media format that is used for playback of movies with high video and sound quality and for storing data. ... Typical hard drives of the mid-1990s. ... ReBoot poster. ... A RAM-Disk, Ramdisk or Ramdrive is a virtual SSD Solid_state_disk in segment of active computer memory, RAM, which is being used as secondary storage, typically a role for a disk drive. ... Sharma Ram (disambiguation) Ram Sharma is an amazing, talented teenager that lives in Canada His talents include rapping, comedy, and cooking He is bound to success! ...

Contents


Common traits

Some LiveCDs come with an installation utility launchable from a desktop icon that can optionally install the system on a hard drive or USB keydrive. Most LiveCDs can access the information on internal and/or external hard drives, diskettes and USB Flash memories. Typical hard drives of the mid-1990s. ... Type A USB connector Dual images of the two Type B USB connectors, mini and full size, side and front view, compared with a U.S. 5¢ piece (nickel) in both images for scale. ... A USB keydrive, shown with a US quarter coin for scale. ... A floppy disk is a data storage device that comprises a circular piece of thin, flexible (hence floppy) magnetic storage medium encased in a square or rectangular plastic wallet. ... Type A USB connector Dual images of the two Type B USB connectors, mini and full size, side and front view, compared with a U.S. 5¢ piece (nickel) in both images for scale. ... A USB Flash Memory Device Flash memory is a form of EEPROM (Electrically-Erasable Programmable Read-Only Memory) that allows multiple memory locations to be erased or written in one programming operation. ...


Most LiveCDs contain a system based on the GNU system and the Linux kernel, but there are also LiveCDs based on other operating systems, such as Mac OS, Mac OS X, BeOS, FreeBSD, Minix, NetBSD, Plan 9 or Microsoft Windows, though the legal status of LiveCDs based on Windows code is dubious. The first OS to support LiveCD operations appears to have been Mac OS 7 on a CD and any other user-created Macintosh CD with a System Folder, which could be brought to a full desktop from a CD-ROM, in 1991. GNU is a free software operating system. ... The Linux mascot Tux created by Larry Ewing The Linux kernel is a free software Unix-like operating system kernel that was begun by Linus Torvalds in 1991 and subsequently improved with the assistance of developers around the world. ... Mac OS, which stands for Macintosh Operating System, is a range of graphical user interface-based operating systems developed by Apple Computer for their Macintosh computers. ... Mac OS X is the operating system which is included with all shipping Apple Macintosh computers in the consumer and professional markets. ... BeOS was an operating system for personal computers which began development by Be Incorporated in 1991. ... FreeBSD is a Unix-like free software operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through 386BSD and 4. ... Minix is an open source, Unix-like operating system based on a microkernel architecture. ... NetBSD was the second freely redistributable, open source version of the BSD Unix-like computer operating systems to produce a formal release (after 386BSD) and continues to be actively developed. ... Plan 9 is an operating system descended from Unix and developed by Bell Laboratories. ... Microsoft Windows is a series of operating environments and operating systems created by Microsoft for use on personal computers and servers. ... Mac OS, which stands for Macintosh Operating System, is a range of graphical user interface-based operating systems developed by Apple Computer for their Macintosh computers. ... On January 24th, 1984 Apple Computer introduced the Apple Macintosh personal computer, with the Macintosh 128K model, which came bundled with the Mac OS operating system, then known as the System Software. ... The System Folders icon The System Folder is the directory in classic versions of Mac OS (those prior to OS X) that holds various files required for the system to operate, such as fonts, system extensions, control panels, and preferences. ... 1991 (MCMXCI) is a common year starting on Tuesday of the Gregorian calendar. ...


The syslinux utility is used to boot Linux based LiveCDs as well as Linux floppies. On a PC, a bootable CD generally conforms to the El Torito specification which treats a special file on the disc (possibly hidden) as a floppy diskette image. Many Linux based LiveCDs use a compressed filesystem image, often with the cloop compressed loopback driver, generally doubling effective storage capacity, although slowing application start up. The resulting environment can be quite rich: typical Knoppix systems include around 1,200 separate software packages. The SYSLINUX Project covers a suite of lightweight bootloaders, for starting up computers in the Linux operating system. ... The tower of a personal computer. ... What is the El Torito CD-ROM specification? El Torito is a specification published in 1994 by Phoenix Technologies and IBM that extends the ISO 9660 specification for CD-ROM drives by further adding functionality to the ability to boot from a CD-ROM. In short, it allows a CD... Knoppix is a Linux distribution LiveCD. Knoppix is a Debian based Linux distribution running on a CD or DVD drive without using the hard drive or installing any files onto the hard drive. ...


LiveCDs have a reputation for supporting advanced Auto-configuration and Plug-and-play functionality. This is necessary so as to avoid requiring the user to configure the system each time it boots, and to make them easily usable by those who are new to the operating system. A LiveCD is an operating system (usually containing other software as well) stored on a bootable CD-ROM that can be executed from it, without installation on a hard drive. ... Auto-configuration is the automatic configuration of devices without manual intervention, without any need for software configuration programs or jumpers. ... Plug and Play is a term used in the computer field to describe a computers ability to have new devices, normally peripherals, added to it without having to restart the computer. ...


Mini-LiveCDs

A Mini-LiveCD, also known as a bootable business card, is a LiveCD small enough to fit on a CD-ROM that is the size and shape of a business card. Mini-LiveCDs are able to hold about 50 MB, or 100 MB under compression. Damn Small Linux (DSL) is an example of a rich Mini-LiveCD operating system that fits onto a 50 MB CD. Includes scripts to optionally install it to bootable USB key (flash distro) or hard disk. A bootable business card is a CD-ROM that has been cut, pressed, or molded to the size and shape of a business card (designed to fit in your wallet or pocket). ... A megabyte is a unit of information or computer storage equal to one million bytes. ... Damn Small Linux (also known as DSL) is a GNU/Linux distribution for the x86 architecture, originally a bootable business card LiveCD. Recent developments have allowed it to be installed to, and run from hard disk, USB flash drive, CompactFlash card, Microsoft Windows or Linux emulated host environment via Qemu... A megabyte is a unit of information or computer storage equal to one million bytes. ... A USB keydrive, shown with a US quarter coin for scale. ... Gnoppix 0. ...


Emulation

There are number of emulators on the market that can be used to try a LiveCD without the need to burn it to a CD or boot it on the computer. The most widely supported i386 emulator is VMware. Others include Qemu, PearPC and Bochs which can all also emulate the x86 and/or PowerPC platforms, although due to their software emulation methods, they are slower than the hardware alternatives. Another commercial emulator is VirtualPC. A CD-R (Compact Disc-Recordable) is a thin (1. ... A BOOTING is any exercise of the verb to boot. ... VMware Inc. ... QEMU is free software written by Fabrice Bellard that implements a fast processor emulator, allowing a user to run one operating system within another one. ... PearPC logo PearPC is an architecture-independent PowerPC platform emulator capable of running most PowerPC operating systems, such as Mac OS X, Darwin and Linux. ... Bochs for Windows displaying HAL91 (Linux) Bochs is a portable open source x86 and AMD64 architecture simulator mostly written in C++. It supports emulation of the processor(s) (including protected mode), memory, disks, display, ethernet, BIOS and common hardware peripherals of PCs. ... PowerPC is a RISC microprocessor architecture created by the 1991 Apple-IBM-Motorola alliance, known as AIM. Originally intended for personal computers, PowerPC CPUs have since become popular embedded and high-performance processors as well. ... Screenshot of Virtual PC 6. ...


List of LiveCDs

A list of LiveCDs based on different operating systems: // BSD derived DragonFly BSD [1] FreeSBIE (Based on FreeBSD) Frenzy mini-CD (Based on FreeBSD) NetBSD - Livecd images made of NetBSD 2. ...

Apple Macintosh OS-based

The Apple II was introduced on April 16, 1977 at the first West Coast Computer Faire. ... The Macintosh project started in early 1979 with Jef Raskin, an Apple employee, who envisioned an easy-to-use, low-cost computer for the average consumer. ... Mac OS, which stands for Macintosh Operating System, is a range of graphical user interface-based operating systems developed by Apple Computer for their Macintosh computers. ... The System Folders icon The System Folder is the directory in classic versions of Mac OS (those prior to OS X) that holds various files required for the system to operate, such as fonts, system extensions, control panels, and preferences. ... Mac OS, which stands for Macintosh Operating System, is a range of graphical user interface-based operating systems developed by Apple Computer for their Macintosh computers. ... CD may stand for: Compact Disc Canadian Forces Decoration Cash Dispenser (at least used in Japan) CD LPMud Driver Centrum-Demokraterne (Centre Democrats of Denmark) Certificate of Deposit České Dráhy (Czech Railways) Chad (NATO country code) Chalmers Datorförening (computer club of the Chalmers University of Technology) a 1960s... A floppy disk is a data storage device that comprises a circular piece of thin, flexible (hence floppy) magnetic storage medium encased in a square or rectangular plastic wallet. ... BootCD is a tool for making CDs with Apples operating system Mac OS X. Such CDs are called Live CDs. ... Mac OS X is the operating system which is included with all shipping Apple Macintosh computers in the consumer and professional markets. ...

BSD-based

Berkeley Software Distribution (BSD, sometimes called Berkeley Unix) is the Unix derivative distributed by the University of California, Berkeley starting in the 1970s. ... In computing, the DragonFly BSD operating system is a fork of FreeBSD. Matt Dillon, a long-time FreeBSD and Amiga developer, started work on DragonFly BSD in June 2003 and announced it on the FreeBSD mailing lists on 16 July 2003 [1]. Dillon started DragonFly in the belief that the... FreeSBIE FreeSBIE is a LiveCD—an operating system that is able to load directly from a bootable CD without any installation process and without any hard disk. ... FreeBSD is a Unix-like free software operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through 386BSD and 4. ... Frenzy is a portable system administrator toolkit, LiveCD based on FreeBSD. It generally contains software for hardware tests, file system check, security check and network setup and analysis. ... FreeBSD is a Unix-like free software operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through 386BSD and 4. ... NetBSD was the second freely redistributable, open source version of the BSD Unix-like computer operating systems to produce a formal release (after 386BSD) and continues to be actively developed. ...

Linux-based

Tux is the official Linux mascot. ... Knoppix is a Linux distribution LiveCD. Knoppix is a Debian based Linux distribution running on a CD or DVD drive without using the hard drive or installing any files onto the hard drive. ... Debian, organized by the Debian Project, is a widely used distribution of free software developed through the collaboration of volunteers from around the world. ... Damn Small Linux (also known as DSL) is a GNU/Linux distribution for the x86 architecture, originally a bootable business card LiveCD. Recent developments have allowed it to be installed to, and run from hard disk, USB flash drive, CompactFlash card, Microsoft Windows or Linux emulated host environment via Qemu... A USB drive, shown with a 24 mm US quarter coin for scale. ... MEPIS Linux is a Debian-based Linux distribution founded by Warren Woodford which can be installed onto a hard disk or run as a LiveCD. // Overview It is very easy to use (user-friendly) and includes the latest versions of KDE, OpenOffice. ... Debian, organized by the Debian Project, is a widely used distribution of free software developed through the collaboration of volunteers from around the world. ... Look up APT on Wiktionary, the free dictionary APT or Apt may mean: Advanced Portfolio Technologies Arbitrage pricing theory, in finance and financial economics Alabama Public Television, network of PBS TV stations run by the U.S. state of Alabama American Public Television, a television program provider in the U... Morphix desktop Morphix is a modular Linux distribution, based on Knoppix (which is in turn based on Debian). ... The GNOME project is an international effort to create an easy-to-use computer desktop environment built entirely from software considered free by the Free Software Foundation. ... In Unix (and others including GNU/Linux) computing, Fluxbox is a lightweight GTK + window manager for the X Window System based on blackbox 0. ... Puppy Linux is a LiveCD Linux distribution started by Barry Kauler. ... Note: this article name (or a redirect to it) is a homophone with cession. ... PCLinuxOS, often abbreviated as PCLOS, is a GNU/Linux distribution. ... Mandrake refers to: the plant Mandrake Mandrake (pesticide), a pesticide for wheat, commercialized by Bayer. ... SLAX is a Linux Live CD based on the Slackware distro. ... Slackware is one of the first Linux distributions, created by Patrick Volkerding of Slackware Linux, Inc. ... Ubuntu is a desktop Linux distribution, based on Debian GNU/Linux. ... Debian, organized by the Debian Project, is a widely used distribution of free software developed through the collaboration of volunteers from around the world. ...

Microsoft Windows-based

Note however that Windows 2000 and XP cannot run without a swap file. Thus, they still need to make hard disk accesses when booting off a Live CD. Also, Microsoft representatives have described third-party efforts at producing Live CDs as being "improperly licensed" uses of Windows. The Microsoft-sanctioned MS PE product is quite hard to get hold of. Microsoft Windows is a series of operating environments and operating systems created by Microsoft for use on personal computers and servers. ... Bart PE is a Live CD version of the Microsoft Windows XP or Windows 2003 operating systems. ... miniPE is rather unique, Windows Live-CD. It is highly practical for emergency purposes. ... Virtual memory is intended to help the programmer by taking care of some memory housekeeping duties. ...


OpenSolaris-based

OpenSolaris is an open source project created by Sun Microsystems to build an open source community development effort around the Solaris Operating Environment technology. ... SchilliX is a LiveCD operating system distribution based on OpenSolaris. ... In computing, Nexenta OS is a Debian-based GNU/Solaris operating system. ...

Others

BeOS was an operating system for personal computers which began development by Be Incorporated in 1991. ... Mac OS 8 is a series of versions of the Mac OS that, although they introduced few remarkable new user features, supported a transition through major changes in the Apple Macintosh hardware platform. ... OpenVMS (Open Virtual Memory System or just VMS) is the name of a high-end computer server operating system that runs on the VAX and Alpha family of computers developed by Digital Equipment Corporation of Maynard, Massachusetts (now owned by Hewlett-Packard), and more recently on Hewlett-Packard systems built... Plan 9 is an operating system descended from Unix and developed by Bell Laboratories. ... The GNU Hurd is a Unix-like kernel that sets the base for the GNU operating system. ... SkyOS is a proprietary operating system developed by Robert Szeleney. ... Ging is a Live CD distribution based on Debian GNU/kFreeBSD. Ging is a recursive acronym that stands for Ging Is Not Ging. ... Debian GNU/kFreeBSD is GNU/kFreeBSD operating system made by Debian for i486-compatible computer architectures. ... Minix is an open source, Unix-like operating system based on a microkernel architecture. ...

Rescue and Repair Live CDs

  • SystemRescueCd is a Linux- based CD with tools for Windows and Linux repairs. Based on the 2.4 kernel.
  • 911 Rescue CD Based on DOS with tools for Windows repairs (not technically a Livecd)

SystemRescueCd is a version of the Linux computer operating system on a bootable CD-ROM disc (a LiveCD), useful for repairing unbootable systems and retrieving data after a system crash. ...

See also

A list of LiveCDs based on different operating systems: // BSD derived DragonFly BSD [1] FreeSBIE (Based on FreeBSD) Frenzy mini-CD (Based on FreeBSD) NetBSD - Livecd images made of NetBSD 2. ... The title given to this article is incorrect due to technical limitations. ...

External links


  Results from FactBites:
 
LiveCD - Wikipedia, the free encyclopedia (894 words)
Most LiveCDs contain a system based on the GNU system and the Linux kernel, but there are also LiveCDs based on other operating systems, such as Mac OS, Mac OS X, BeOS, FreeBSD, Minix, NetBSD, Plan 9 or Microsoft Windows, though the legal status of LiveCDs based on Windows code is dubious.
The first OS to support LiveCD operations appears to have been Mac OS 7 on a CD and any other user-created Macintosh CD with a System Folder, which could be brought to a full desktop from a CD-ROM, in 1991.
LiveCDs have a reputation for supporting advanced Auto-configuration and Plug-and-play functionality.
  More results at FactBites »


 
 

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