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Fork and pull model refers to a software development model mostly used on GitHub, where multiple developers working on an open, shared project make their own contributions by sharing a main repository and pushing changes after granted pull request by integrator users.
The word "fork" has been used to mean "to divide in branches, go separate ways" as early as the 14th century. [2] In the software environment, the word evokes the fork system call, which causes a running process to split itself into two (almost) identical copies that (typically) diverge to perform different tasks.
Bitcoin forks are defined variantly as changes in the protocol of the bitcoin network or as the situations that occur "when two or more blocks have the same block height". [1] A fork influences the validity of the rules. Forks are typically conducted in order to add new features to a blockchain, to reverse the effects of hacking or catastrophic ...
These implicit revision relationships have some significant consequences: It is slightly more costly to examine the change history of one file than the whole project. [ 51 ] To obtain a history of changes affecting a given file, Git must walk the global history and then determine whether each change modified that file.
In 2017, GitHub released a formal specification of its GitHub Flavored Markdown (GFM) that is based on CommonMark. [32] It is a strict superset of CommonMark, following its specification exactly except for tables, strikethrough , autolinks and task lists, which GFM adds as extensions.
Adempiere, a community maintained fork of Compiere 2.5.3b, due to disagreement with commercial and technical direction of Compiere Inc. Cdrkit, from Cdrtools due to perceived licensing issues. [4] [5] [6] LedgerSMB, from SQL-Ledger, due to disagreements over handling of security issues. MindTouch, a fork of MediaWiki.
The concept behind a fork bomb — the processes continually replicate themselves, potentially causing a denial of service. In computing, a fork bomb (also called rabbit virus) is a denial-of-service (DoS) attack wherein a process continually replicates itself to deplete available system resources, slowing down or crashing the system due to resource starvation.
Whereas permanent forks (in the sense of protocol changes) have been used to add new features to a blockchain, they can also be used to reverse the effects of hacking such as the case with Ethereum and Ethereum Classic, or avert catastrophic bugs on a blockchain as was the case with the bitcoin fork on 6 August 2010.