.KS File Extension

KerboScript Source Code File

Developer kOS Team
4.3  |  4 Votes

What is a KS file?

A KS file is a source code file written in the KerboScript programming language. It contains a script used by the Kerbal Operating System (kOS), a mod for the game Kerbal Space Program. KS files are used to automate Kerbal Space Program spacecraft flights.

More Information

Screenshot of a .ks file in Microsoft Visual Studio Code
KS file open in Microsoft Visual Studio Code

Kerbal Space Program (KSP) is a popular space engineering and flight simulator available for many platforms, including Windows, Mac, and Linux. The game is so popular that modders have created a variety of KSP add-ons, including kOS.

kOS allows players to write and execute autopilot scripts, used to fly rockets automatically. These scripts are written in kOS's KerboScript programming language and saved as KS files.

Players execute KS files using custom KSP parts included in the kOS mod. A KS file may contain a simple script (for example, used just to automate a spaceship's launch) or a complex script (for example, used to steer a spaceship after launch). Typically, KS files are stored in the GameData/​Ships/​Script directory.

How to open a KS file

You can open and edit a KS file in any text or source code editor, such as Microsoft Visual Studio Code (multiplatform) or GitHub Atom (multiplatform). Some source code editors, such as Visual Studio Code and Atom, allow you to install extensions that highlight KS syntax correctly.

You can also open and edit a KS file in Squad Kerbal Space Program (multiplatform) after installing the kOS mod. After installing the mod, use the CX-4181 Scriptable Control System part to open and edit KS files.

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Programs that open KS files

Kickstart File

Developer N/A
3.1  |  7 Votes

File used for creating images of Linux-based operating systems such as Red Hat, CentOS, and Tizen; contains a series of instructions that are used for automatic, unattended construction of an operating system (OS) image that can be used for running the OS.

More Information

Kickstart files are used by MIC (Moblin Image Creator, now obsolete) and MIC2 (MeeGo Image Creator) for building images.

NOTE: For details about the Kickstart format, refer to the Fedora Kickstart page.

Programs that open KS files


Keystore File

Developer N/A
1.8  |  4 Votes

Security file used for a variety of verification purposes; stores cryptographic keys and certificates that are referenced to prove authenticity; password protected.

More Information

The main uses for KS files are encrypting SSLs or for identifying an author of an Android app when publishing or creating an update.

Programs that open or reference KS files

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