Dolphin (file manager)

Dolphin is a free and open source file manager included in the KDE Applications bundle. Dolphin became the default file manager of KDE Plasma desktop environments in the fourth iteration, termed KDE Software Compilation 4.[3] It can also be optionally installed on K Desktop Environment 3. It replaces Konqueror as the default file manager for KDE SC 4, but Konqueror can still be used as an alternative file manager.

Dolphin
Default view of Dolphin in KDE Applications 19.04.
Original author(s)Peter Penz[1]
Developer(s)KDE
Initial release2006 (2006)
Stable release20.12.2 (4 February 2021 (2021-02-04)[2]) [±]
Repository
Written inC++ (Qt)
Operating systemUnix-like, macOS, Windows
TypeFile browser
LicenseGPLv2
Websitekde.org/applications/en/system/org.kde.dolphin
KDE mascot Konqi managing files.

Under previous K Desktop Environment versions, Konqueror had served both as the default file manager and web browser. However, for many years users have been critical of Konqueror as being too complex for simple file navigation. As a response, the two functions were divided into two separate applications. Under KDE SC 4, Dolphin was streamlined for browsing files, while sharing as much code as possible with Konqueror. Konqueror continues to be developed primarily as a web browser.[4]

In 2014, work started on porting Dolphin to KDE Frameworks 5.[5] This is now complete and a Frameworks 5-based version was released as part of KDE Applications 15.08 in August 2015.[6]

Dolphin and K Desktop Environment 3

As development of the KDE SC 4 version was underway, the K Desktop Environment 3 version of Dolphin was discontinued. However, the program continues to be unofficially available for K Desktop Environment 3 under the slightly modified name of “D3lphin”. D3lphin contains many bugfixes and a new sidebar, but is no longer maintained.[7]

Features
  • Breadcrumb navigation bar – each part of the URL is clickable
  • 3 view modes (Icons, Details and Compact), remembered for each folder (configurable)
  • File Previews
  • Split views (for copying and moving files)
  • Network transparency – using KDE’s KIO slaves
  • Undo/Redo functionality
  • Tabbed navigation
  • Renaming of a variable number of selected items in one step
  • Baloo (file indexer) integration, which includes
    • File search
    • Tagging, rating and commenting files
  • Places bar which also integrates with the Kickoff launcher menu's “Computer” tab
  • Sorting and grouping of files by name, size, type and others

Networking
  • SAMBA integration – allowing configuration of SMB server
  • Dolphin 19.04 with modified theme. Panels are displaced from their default position.
  • Dolphin 19.04 in split Mode.

See also

References
  1. Peter Penz (2012-06-26). "Dolphin 2.1". Retrieved 2013-09-03.
  2. "KDE's February 2021 Apps Update". KDE. Retrieved 5 February 2021.
  3. "4.0 Released". KDE. 2008-01-11. Retrieved 2013-09-03.
  4. "(KDE) Revision 633622". The KDE Source Repository. 14 February 2007. Retrieved 29 January 2010.
  5. "KDE SC 4.14 wird 4er-Reihe abschließen" (in German). 2014-07-10.
  6. "KDE Ships KDE Applications 15.08.0". KDE. 2015-08-19.
  7. "D3lphin – marratwiki". marrat.homelinux.org. 17 December 2007. Archived from the original on 2007-09-29. Retrieved 29 January 2010.


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