At left, the Project Files pane lists the files in the new project. There is aproject file with the extension .kicad_pro, a schematic file with theextension .kicad_sch, and a board file with the extension .kicad_pcb. Thesefiles all share a name with your project.
I'm a KiCad newbie, developed my first board the last days with KiCad 5.1.12. Now, after installing KiCad 6.0.5 and saving my project again, a couple of new files came up: sym-lib-table, *-rescue.dcm, *-rescue.lib, *.kicad_prl, *.kicad_pro. I reckon, the latter is the v6 variant of v5 *.pro, right? What about the other files, are they essential (AKA should they be stored in version control)?
The library names changed between versions, so if you don't have your old v5 libraries or you want to use the newer v7 libraries, you will need to update the fp-lib-table file. This can be just deleted (it is located in /.config/kicad/7.0/fp-lib-table on linux). Then, when restarting, accept the defaults.
A default configuration file (kicad.pro) is supplied in C:\Program Files (x86)\KiCad\share\template. It serves as the template for each new project. It can be modified or added to if necessary, usually for the list of libraries to load. Run Eeschema via kicad or directly (Linux command; /usr/local/kicad/bin/eeschema). Update the configuration and then save it in /usr/local/kicad/template/kicad.pro
In order to manage simply a project, i.e. all the files it constitutes (representing schematics, printed circuit boards, supplementary libraries, manufacturing files for phototracing, drilling and automatic component placement), it is recommended to create a project:Create a working directory for the project (using kicad or by other means).In this directory, use kicad to create the project file (file .pro) via the icon.
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