Version Control Application - A component of software configuration management, version control, also known as revision control or source control,[1] is the management of changes to documents,computer programs, large web sites, and other collections of information. Changes are usually identified by a number or letter code, termed the "revision number", "revision level", or simply "revision". For example, an initial set of files is "revision 1". When the first change is made, the resulting set is "revision 2", and so on. Each revision is associated with a timestamp and the person making the change. Revisions can be compared, restored, and with some types of files, merged.
Top 5 Version Control1. CVS
CVS may very well be where version control systems started. Released initially in 1986, Google still hosts the original Usenet post that announced CVS. CVS is basically the standard here, and is used just about everywhere – however the base for codes is not as feature rich as other solutions such as SVN.
One good thing about CVS is that it is not too difficult to learn. It comes with a simple system that ensures revisions and files are kept updated. Given the other options, CVS may be regarded as an older form of technology, as it has been around for some time, it is still incredibly useful for system admins who want to backup and share files.
2. SVN
SVN, or Subversion as it is sometimes called, is generally the version control system that has the widest adoption. Most forms of open-source projects will use Subversion because many other large products such as Ruby, Python Apache, and more use it too. Google Code even uses SVN as a way of exclusively distributing code.
Because it is so popular, many different clients for Subversion are available. If you use Windows, then Tortoise SVN may be a great browser for editing, viewing and modifying Subversion code bases. If you’re using a MAC, however, then Versions could be your ideal client.
3. GIT
Git is considered to be a newer, and faster emerging star when it comes to version control systems. First developed by the creator of Linux kernel, Linus Torvalds, Git has begun to take the community for web development and system administration by storm, offering a largely different form of control. Here, there is no singular centralized code base that the code can be pulled from, and different branches are responsible for hosting different areas of the code. Other version control systems, such as CVS and SVN, use a centralized control, so that only one master copy of software is used.
As a fast and efficient system, many system administrators and open-source projects use Git to power their repositories. However it is worth noting that Git is not as easy to learn as SVN or CVS is, which means that beginners may need to steer clear if they’re not willing to invest time to learn the tool.
4. Mercurial
This is yet another form of version control system, similar to Git. It was designed initially as a source for larger development programs, often outside of the scope of most system admins, independent web developers and designers. However, this doesn’t mean that smaller teams and individuals can’t use it. Mercurial is a very fast and efficient application. The creators designed the software with performance as the core feature.
Aside from being very scalable, and incredibly fast, Mercurial is a far simpler system to use than things such as Git, which one of the reasons why certain system admins and developers use it. There aren’t quite many things to learn, and the functions are less complicated, and more comparable to other CVS systems. Mercurial also comes alongside a web-interface and various extensive documentation that can help you to understand it better.
5. Bazaar
Similar to Git and Mercurial, Bazaar is distributed version control system, which also provides a great, friendly user experience. Bazaar is unique that it can be deployed either with a central code base or as a distributed code base. It is the most versatile version control system that supports various different forms of workflow, from centralized to decentralized, and with a number of different variations acknowledged throughout. . One of the greatest features of Bazaar is that you can access a very detailed level of control in its setup. Bazaar can be used to fit in with almost any scenario and this is incredibly useful for most projects and admins because it is so easy to adapt and deal with. It can also be easily embedded into projects that already exist. At the same time, Bazaar boasts a large community that helps with the maintenance of third-party tools and plugins.
What is Git?
Git is an open source version control system designed to handle very large projects with speed and efficiency, but just as well suited for small personal repositories; it is especially popular in the open source community, serving as a development platform for projects like the Linux Kernel, Ruby on Rails, WINE or X.org.
Git falls in the category of distributed source code management tools, similar to e.g. Mercurial or Bazaar. Every Git working directory is a full-fledged repository with complete history and full revision tracking capabilities, not dependent on network access or a central server. Still, Git stays extremely fast and space efficient.
Git is an Open Source project covered by the GNU General Public License v2. It was originally written by LinusTorvalds and is currently maintained by Junio C Hamano.
What is GitHub?
GitHub is a web-based Git repository hosting service. It offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features. Unlike Git, which is strictly a command-line tool, GitHub provides a Web-based graphical interface and desktop as well as mobile integration. It also provides access control and several collaboration features such as bug tracking, feature requests, task management, and wikis for every project.
Difference Between Git and GitHub
Git is the distributed version control system. Git is responsible for keeping track of changes to content (usually source code files), and it provides mechanisms for sharing that content with others.
GitHub is a company that provides Git repository hosting. If your team has a shared repository on GitHub, you could conceivably use GitHub without ever looking at its website. But, the website provides a lot of value on top of the core Git repository.
GitHub also developed graphical Git clients: GitHub for Mac and GitHub for Windows. Each is an application that lets you interact with Git repositories without using the command line.
TermsRepository - A software repository is a storage location from which software packages may be retrieved and installed on a computer.
Commit – Commits also serve another important function -- they serve as the determining points at which changed data is visible to other users. Say, a client’s address is being edited in a database system. Until the transaction is saved, other users who query the same client’s data should only see the address that was there before it was edited. Once committed, the new address permanently replaces the old one on disk, and any users now querying the data now view the changed address.
Fork - fork is an operation whereby a process creates a copy of itself. It is usually a system call, implemented in the kernel. Fork is the primary (and historically, only) method of process creation on Unix-like operating systems.
Pull- Pull coding or client pull is a style of network communication where the initial request for data originates from the client, and then is responded to by the server. The reverse is known as push technology, where the server pushes data to clients. Usually, customers will look for a site and visit only if it provides helpful and attractive content to display. The pull code is effective and economical when advertising to open, unidentified potential customers world wide. It is more effective for the customer when he searches for a specific item.
Push – Push, or server push, describes a style of Internet-based communication where the request for a given transaction is initiated by the publisher or central server. It is contrasted with pull/get, where the request for the transmission of information is initiated by the receiver or client.
Push services are often based on information preferences expressed in advance. This is called a publish/subscribe model. A client "subscribes" to various information "channels" provided by a server; whenever new content is available on one of those channels, the server pushes that information out to the client.
Push is sometimes emulated with a polling technique, particularly under circumstances where a real push is not possible, such as sites with security policies that require rejection of incoming HTTP/S requests.
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Version Control Application - A component of software configuration management, version control, also known as revision control or source control,[1] is the management of changes to documents,computer programs, large web sites, and other collections of information. Changes are usually identified by a number or letter code, termed the "revision number", "revision level", or simply "revision". For example, an initial set of files is "revision 1". When the first change is made, the resulting set is "revision 2", and so on. Each revision is associated with a timestamp and the person making the change. Revisions can be compared, restored, and with some types of files, merged. Top 5 Version Control 1. CVS CVS may very well be where version control systems started. Released initially in 1986, Google still hosts the original Usenet post that announced CVS. CVS is basically the standard here, and is used just about everywhere – however the base for codes is not as feature rich as other solutions such as SVN. One good thing about CVS is that it is not too difficult to learn. It comes with a simple system that ensures revisions and files are kept updated. Given the other options, CVS may be regarded as an older form of technology, as it has been around for some time, it is still incredibly useful for system admins who want to backup and share files. 2. SVN SVN, or Subversion as it is sometimes called, is generally the version control system that has the widest adoption. Most forms of open-source projects will use Subversion because many other large products such as Ruby, Python Apache, and more use it too. Google Code even uses SVN as a way of exclusively distributing code. Because it is so popular, many different clients for Subversion are available. If you use Windows, then Tortoise SVN may be a great browser for editing, viewing and modifying Subversion code bases. If you’re using a MAC, however, then Versions could be your ideal client. 3. GIT Git is considered to be a newer, and faster emerging star when it comes to version control systems. First developed by the creator of Linux kernel, Linus Torvalds, Git has begun to take the community for web development and system administration by storm, offering a largely different form of control. Here, there is no singular centralized code base that the code can be pulled from, and different branches are responsible for hosting different areas of the code. Other version control systems, such as CVS and SVN, use a centralized control, so that only one master copy of software is used. As a fast and efficient system, many system administrators and open-source projects use Git to power their repositories. However it is worth noting that Git is not as easy to learn as SVN or CVS is, which means that beginners may need to steer clear if they’re not willing to invest time to learn the tool. 4. Mercurial This is yet another form of version control system, similar to Git. It was designed initially as a source for larger development programs, often outside of the scope of most system admins, independent web developers and designers. However, this doesn’t mean that smaller teams and individuals can’t use it. Mercurial is a very fast and efficient application. The creators designed the software with performance as the core feature. Aside from being very scalable, and incredibly fast, Mercurial is a far simpler system to use than things such as Git, which one of the reasons why certain system admins and developers use it. There aren’t quite many things to learn, and the functions are less complicated, and more comparable to other CVS systems. Mercurial also comes alongside a web-interface and various extensive documentation that can help you to understand it better. 5. Bazaar Similar to Git and Mercurial, Bazaar is distributed version control system, which also provides a great, friendly user experience. Bazaar is unique that it can be deployed either with a central code base or as a distributed code base. It is the most versatile version control system that supports various different forms of workflow, from centralized to decentralized, and with a number of different variations acknowledged throughout. . One of the greatest features of Bazaar is that you can access a very detailed level of control in its setup. Bazaar can be used to fit in with almost any scenario and this is incredibly useful for most projects and admins because it is so easy to adapt and deal with. It can also be easily embedded into projects that already exist. At the same time, Bazaar boasts a large community that helps with the maintenance of third-party tools and plugins.
What is Git? Git is an open source version control system designed to handle very large projects with speed and efficiency, but just as well suited for small personal repositories; it is especially popular in the open source community, serving as a development platform for projects like the Linux Kernel, Ruby on Rails, WINE or X.org. Git falls in the category of distributed source code management tools, similar to e.g. Mercurial or Bazaar. Every Git working directory is a full-fledged repository with complete history and full revision tracking capabilities, not dependent on network access or a central server. Still, Git stays extremely fast and space efficient. Git is an Open Source project covered by the GNU General Public License v2. It was originally written by LinusTorvalds and is currently maintained by Junio C Hamano.
What is GitHub? GitHub is a web-based Git repository hosting service. It offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features. Unlike Git, which is strictly a command-line tool, GitHub provides a Web-based graphical interface and desktop as well as mobile integration. It also provides access control and several collaboration features such as bug tracking, feature requests, task management, and wikis for every project.
Difference Between Git and GitHub Git is the distributed version control system. Git is responsible for keeping track of changes to content (usually source code files), and it provides mechanisms for sharing that content with others. GitHub is a company that provides Git repository hosting. If your team has a shared repository on GitHub, you could conceivably use GitHub without ever looking at its website. But, the website provides a lot of value on top of the core Git repository. GitHub also developed graphical Git clients: GitHub for Mac and GitHub for Windows. Each is an application that lets you interact with Git repositories without using the command line. Terms Repository - A software repository is a storage location from which software packages may be retrieved and installed on a computer. Commit – Commits also serve another important function -- they serve as the determining points at which changed data is visible to other users. Say, a client’s address is being edited in a database system. Until the transaction is saved, other users who query the same client’s data should only see the address that was there before it was edited. Once committed, the new address permanently replaces the old one on disk, and any users now querying the data now view the changed address. Fork - fork is an operation whereby a process creates a copy of itself. It is usually a system call, implemented in the kernel. Fork is the primary (and historically, only) method of process creation on Unix-like operating systems. Pull- Pull coding or client pull is a style of network communication where the initial request for data originates from the client, and then is responded to by the server. The reverse is known as push technology, where the server pushes data to clients. Usually, customers will look for a site and visit only if it provides helpful and attractive content to display. The pull code is effective and economical when advertising to open, unidentified potential customers world wide. It is more effective for the customer when he searches for a specific item. Push – Push, or server push, describes a style of Internet-based communication where the request for a given transaction is initiated by the publisher or central server. It is contrasted with pull/get, where the request for the transmission of information is initiated by the receiver or client. Push services are often based on information preferences expressed in advance. This is called a publish/subscribe model. A client "subscribes" to various information "channels" provided by a server; whenever new content is available on one of those channels, the server pushes that information out to the client. Push is sometimes emulated with a polling technique, particularly under circumstances where a real push is not possible, such as sites with security policies that require rejection of incoming HTTP/S requests.