SystemRescueCD
Encyclopedia
SystemRescueCd is an operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

 for the x86 computer platform, though the primary purpose of SystemRescueCD is to repair unbootable or otherwise damaged computer systems after a system crash
Crash (computing)
A crash in computing is a condition where a computer or a program, either an application or part of the operating system, ceases to function properly, often exiting after encountering errors. Often the offending program may appear to freeze or hang until a crash reporting service documents...

. SystemRescueCD is not intended to be used as a permanent operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

. It runs from a Live CD
Live CD
A live CD, live DVD, or live disc is a CD or DVD containing a bootable computer operating system. Live CDs are unique in that they have the ability to run a complete, modern operating system on a computer lacking mutable secondary storage, such as a hard disk drive...

 or a USB flash drive
USB flash drive
A flash drive is a data storage device that consists of flash memory with an integrated Universal Serial Bus interface. flash drives are typically removable and rewritable, and physically much smaller than a floppy disk. Most weigh less than 30 g...

. It was designed by a team led by François Dupoux, and is based on the Gentoo Linux
Gentoo Linux
Gentoo Linux is a computer operating system built on top of the Linux kernel and based on the Portage package management system. It is distributed as free and open source software. Unlike a conventional software distribution, the user compiles the source code locally according to their chosen...

 distribution.

Structure

SystemRescueCD is capable of graphics using the Linux framebuffer
Linux framebuffer
The Linux framebuffer is a graphic hardware-independent abstraction layer to show graphics on a computer monitor, typically on the console...

 option for tools such as GParted
GParted
GParted is a GTK+ front-end to GNU Parted and the official GNOME Partition Editor application.It is used for creating, deleting, resizing, moving, checking and copying partitions, and the file systems on them...

. It uses version 3.0.8/3.1.0 of the Linux kernel and has options such as connecting to the Internet through an ADSL
Asymmetric Digital Subscriber Line
Asymmetric digital subscriber line is a type of digital subscriber line technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. It does this by utilizing frequencies that are not used by a voice...

 modem
Modem
A modem is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data...

 or Ethernet
Ethernet
Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....

 and graphical web browser
Web browser
A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier and may be a web page, image, video, or other piece of content...

s such as Mozilla Firefox
Mozilla Firefox
Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. , Firefox is the second most widely used browser, with approximately 25% of worldwide usage share of web browsers...

.

Features

SystemRescueCD has several features, some of them include:
  • GNU Parted
    GNU Parted
    GNU Parted is a free partition editor, used for creating, destroying, resizing, checking, and copying partitions, and the file systems on them. This is useful for creating space for new operating systems, reorganising hard disk usage, copying data between hard disks, and disk imaging...

     and GParted
    GParted
    GParted is a GTK+ front-end to GNU Parted and the official GNOME Partition Editor application.It is used for creating, deleting, resizing, moving, checking and copying partitions, and the file systems on them...

     to partition disks and re-size partitions, including FAT32
    File Allocation Table
    File Allocation Table is a computer file system architecture now widely used on many computer systems and most memory cards, such as those used with digital cameras. FAT file systems are commonly found on floppy disks, flash memory cards, digital cameras, and many other portable devices because of...

     and NTFS
    NTFS
    NTFS is the standard file system of Windows NT, including its later versions Windows 2000, Windows XP, Windows Server 2003, Windows Server 2008, Windows Vista, and Windows 7....

  • Ranish Partition Manager
    Ranish Partition Manager
    Ranish Partition Manager is a freeware hard disk partition editor, disk cloning tool, and boot manager, that gives a high level of control for creating multi-boot systems. It is available on the freeware live cd SystemRescueCD and the Ultimate Boot CD...

  • fdisk
    Fdisk
    On personal computer operating systems, fdisk is a commonly used name for a command-line utility that provides disk partitioning functions...

     to edit the disk partition table
    Partition table
    The term partition table is most commonly associated with partition table but it may be used generically to refer to other "formats" that divide a disk drive into partitions, such as: GUID Partition Table, Apple partition map, or BSD disklabel.An alternative term to generically refer to partition...

  • PartImage
    Partimage
    Partimage is a disk cloning utility for Linux/UNIX environments. Partimage can save partitions in many formats to a disk image. Utilities such as Partimage are useful in a number of situations which are commonly encountered by network administrators as well as advanced computer users who maintain...

    , disk imaging
    Disk image
    A disk image is a single file or storage device containing the complete contents and structure representing a data storage medium or device, such as a hard drive, tape drive, floppy disk, CD/DVD/BD, or USB flash drive, although an image of an optical disc may be referred to as an optical disc image...

     software which copies only used sectors
  • TestDisk
    TestDisk
    TestDisk is a free data recovery utility. It was primarily designed to help recover lost data storage partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error .TestDisk can be used to collect detailed...

     to recover lost partition and PhotoRec
    PhotoRec
    PhotoRec is a file carver data recovery software tool designed to recover lost files from digital camera memory , hard disks and CD-ROMs...

     to recover lost data
  • FSArchiver a system tool that allows you to save the contents of a file-system to a compressed archive file
  • A CD and DVD burner: dvd+rw-tools
    Dvd+rw-tools
    dvd+rw-tools is a collection of open source computer programs that are popular DVD burning tools for Linux, FreeBSD, Windows and Mac OS X. dvd+rw-tools does not burn CDs....

  • Two bootloaders: GRUB
    GNU GRUB
    GNU GRUB is a boot loader package from the GNU Project. GRUB is the reference implementation of the Multiboot Specification, which provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on a particular...

     and SYSLINUX
    SYSLINUX
    The SYSLINUX Project is a suite of lightweight IBM PC MBR bootloaders for starting up computers with the Linux kernel. It is the work of H. Peter Anvin, and consists of several separate systems, the best-known of which is ISOLINUX.-List:...

  • Web browsers: Mozilla Firefox
    Mozilla Firefox
    Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. , Firefox is the second most widely used browser, with approximately 25% of worldwide usage share of web browsers...

    , ELinks
    ELinks
    ELinks is a free text-based console web browser for Unix-like operating systems.It began in late 2001 as an Experimental fork by Petr Baudiš of the Links Web browser, hence the name...

  • emelFM2
    EmelFM2
    emelFM2 is an orthodox file manager which uses the GTK+ 2 widget toolkit for X11 on Unix-like operating systems. The default window layout is two filesystem directories in the left and right panes similar to that found in Norton Commander, a strip down the middle with commonly used commands to...

  • Archiving and unarchiving abilities
  • File system tools: file system create, delete, resize, move
  • Support for many file systems, including full NTFS read/write access (via NTFS-3G
    NTFS-3G
    NTFS-3G is an open source cross-platform implementation of the Microsoft Windows NTFS file system with read-write support. NTFS-3G often uses the FUSE file system interface, so it can run unmodified on many different operating systems. It is runnable on Linux, FreeBSD, NetBSD, OpenSolaris, BeOS,...

    ) as well as FAT32 and Mac OS
    Mac OS
    Mac OS is a series of graphical user interface-based operating systems developed by Apple Inc. for their Macintosh line of computer systems. The Macintosh user experience is credited with popularizing the graphical user interface...

     HFS
    Hierarchical File System
    Hierarchical File System is a file system developed by Apple Inc. for use in computer systems running Mac OS. Originally designed for use on floppy and hard disks, it can also be found on read-only media such as CD-ROMs...

  • Support for Intel x86
    X86 architecture
    The term x86 refers to a family of instruction set architectures based on the Intel 8086 CPU. The 8086 was launched in 1978 as a fully 16-bit extension of Intel's 8-bit based 8080 microprocessor and also introduced segmentation to overcome the 16-bit addressing barrier of such designs...

     and PowerPC
    PowerPC
    PowerPC is a RISC architecture created by the 1991 Apple–IBM–Motorola alliance, known as AIM...

     systems, including Macs
  • Ability to create boot disk
    Boot disk
    A boot disk is a removable digital data storage medium from which a computer can load and run an operating system or utility program. The computer must have a built-in program which will load and execute a program from a boot disk meeting certain standards.Boot disks are used for:* Operating...

     for operating systems
  • Support for Windows
    Microsoft Windows
    Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

     registry
    Windows registry
    The Windows Registry is a hierarchical database that stores configuration settings and options on Microsoft Windows operating systems. It contains settings for low-level operating system components as well as the applications running on the platform: the kernel, device drivers, services, SAM, user...

     editing and password changing from Linux
  • Can boot FreeDOS
    FreeDOS
    FreeDOS is an operating system for IBM PC compatible computers. FreeDOS is made up of many different, separate programs that act as "packages" to the overall FreeDOS Project...

    , Memtest86+, hardware diagnostics and other boot disks from a single CD

Burning DVDs and system backup

The CD can also boot from a customized DVD which has almost 4.6 GB of free space for backed-up files. This makes it good for storing all the information that is needed from a hard drive and then formatting it. To burn the DVD, one has to burn the image file first and then add all the separate files as well as folders. This should not affect the general way in which the DVD works. Then the DVD can be used to insert those files into the hard drive using Midnight Commander
Midnight Commander
GNU Midnight Commander is a free cross-platform orthodox file manager and a clone of Norton Commander originally created by Miguel de Icaza.Midnight Commander is licensed under the terms of the GNU General Public License.-Design:...

.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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