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Linux: Difference between revisions
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'''Linux''' is an open source monolithic Unix-like [[POSIX]]-compliant kernel created by Linus Torvalds. Unlike some complete operating systems, Linux is a base for OS developers to create an OS with the software of their own while using a pre-made widely-supported kernel. | '''Linux''' is an open source monolithic Unix-like [[POSIX]]-compliant kernel created by Linus Torvalds. Unlike some complete operating systems, Linux is a base for OS developers to create an OS with the software of their own while using a pre-made widely-supported kernel. | ||
== Distributions == | ==Distributions== | ||
Linux comes in several distributions with their own [[Package Management|package managers]] and other implementations of things. Many Linux distributions include the [[GNU]] suite of essential software, however, a notable few (such as Google's [[Android]]) omit GNU and instead opt for their own custom suite of software. | Linux comes in several distributions with their own [[Package Management|package managers]] and other implementations of things. Many Linux distributions include the [[GNU]] suite of essential software, however, a notable few (such as Google's [[Android]]) omit GNU and instead opt for their own custom suite of software. | ||
== Conventions == | ==Conventions== | ||
Linux distributions have many conventions that make Linux more than a kernel. Here are some: | Linux distributions have many conventions that make Linux more than a kernel. Here are some: | ||
* Linux file systems usually include ones with Unix-like permissions, as well as Linux file systems not usually using a file allocation table. | *Linux file systems usually include ones with Unix-like permissions, as well as Linux file systems not usually using a file allocation table. | ||
* Linux installations usually use the UNIX directory structure with there being one "root" folder (represented as a single forward slash) with other folders including devices, apps, and config files like /dev, /bin, and /etc. | *Linux installations usually use the UNIX directory structure with there being one "root" folder (represented as a single forward slash) with other folders including devices, apps, and config files like /dev, /bin, and /etc. | ||
* Linux applications usually are stored in ELF format | *Linux applications usually are stored in ELF format | ||
* Linux systems will usually use a descendant of the Bourne shell for a navigation shell. This includes shells like bash and zsh. | *Linux systems will usually use a descendant of the Bourne shell for a navigation shell. This includes shells like bash and zsh. | ||
== Everything is a file == | ==Everything is a file== | ||
In Linux, even things like hardware are represented as files that can be written to. For example, the file for the first hard drive is /dev/sda. This means that if you want to write bytes directly to the drive you can use an app that lays bytes (like dd) to write directly to that file. This can be done by using the app named echo to output something and piping the output to dd which you specify the hard disk's file too. | In Linux, even things like hardware are represented as files that can be written to. For example, the file for the first hard drive is /dev/sda. This means that if you want to write bytes directly to the drive you can use an app that lays bytes (like dd) to write directly to that file. This can be done by using the app named echo to output something and piping the output to dd which you specify the hard disk's file too. | ||
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There is also another directory, called /proc, that manages other devices. The directory /proc/acpi contains all sorts of subtle devices like the power button and battery. | There is also another directory, called /proc, that manages other devices. The directory /proc/acpi contains all sorts of subtle devices like the power button and battery. | ||
== Distributions == | ==Distributions== | ||
=== Debian and derivatives === | ===Debian and derivatives=== | ||
*[[Debian]] | |||
* [[ | *[[Corel Linux]] | ||
* [[ | *[[Kali Linux]] | ||
* [[ | *[[Deepin]] | ||
=== | ====Ubuntu and derivatives==== | ||
*[[Ubuntu]] | |||
* | *[[Kubuntu]] | ||
* | *[[Xubuntu]] | ||
*[[Lubuntu]] | |||
*[[Edubuntu]] | |||
*[[Linux Mint]] | |||
*[[Ubuntu Studio]] | |||
*[[Mythbuntu]] | |||
*[[elementary OS]] | |||
*[[Linspire]] | |||
*[[Zorin OS]] | |||
*[[Linux Lite]] | |||
*[[Ubuntu Kylin]] | |||
*[[Pop!_OS]] | |||
*[[Ubuntu MATE]] | |||
*[[Bodhi Linux]] | |||
== See also == | ===Fedora, Red Hat and derivatives=== | ||
* [[GNU]] | |||
* [[X]] | *[[Fedora]] | ||
* [[Chrome OS]] | *[[Red Hat]] | ||
* [[Virtual terminal]] | *[[CentOS]] | ||
* [[QNX]] | |||
===Others=== | |||
*[[Slackware]] | |||
*[[Arch Linux]] | |||
*[[Damn Small Linux]] | |||
*[[Gentoo]] | |||
*[[openSUSE]] | |||
*[[Mandriva Linux]] | |||
*[[GeckoLinux|Gecko]] | |||
*[[Manjaro]] | |||
*[[Void Linux]] | |||
*[[Tiny Core Linux]] | |||
*[[Android]] | |||
==Trivia== | |||
*Linus Torvalds originally meant to call Linux "Freax". One of Linus' coworkers didn't like that name and uploaded the software to the FTP server as "Linux". | |||
*Linus was bitten by a penguin one time, and that is the reason that the logo of Linux is a penguin. | |||
==See also== | |||
*[[GNU]] | |||
*[[X]] | |||
*[[Chrome OS]] | |||
*[[Virtual terminal]] | |||
*[[QNX]] | |||
[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:Operating systems]] | [[Category:Operating systems]] | ||