KIO
System library

KIO (KDE Input/Output) is a system library incorporated into KDE Frameworks and KDE Software Compilation 4. It provides access to files, web sites and other resources through a single consistent API. Applications, such as Konqueror and Dolphin, which are written using this framework, can operate on files stored on remote servers in exactly the same way as they operate on those stored locally, effectively making KDE network-transparent. This allows for an application like Konqueror to be both a file manager as well as a web browser.
KIO Workers (called KIO Slaves prior to KDE Frameworks 6) are libraries that provide support for individual protocols (e.g. WebDAV, FTP, SMB, SSH, FISH, SFTP, SVN, TAR).
The KDE manual app KHelpCenter has a KIOWorkers section that lists the available protocols with a short description of each.

Sources and credits
This article is adapted from the Wikipedia article “KIO”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- KDE mascot Konqi for network applications.png by Tyson Tan, CC BY-SA 4.0
- Linux kernel System Call Interface and glibc.svg by ScotXW, CC BY-SA 3.0
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