# Rootfs (Linux Ubuntu) Source: [https://docs.qualcomm.com/doc/80-88500-2/topic/23_Rootfs.html](https://docs.qualcomm.com/doc/80-88500-2/topic/23_Rootfs.html) The Ubuntu base is a minimal Rootfs derived from the Ubuntu distribution used to create custom images for specific needs. Note: Build the Ubuntu Rootfs from scratch by downloading a prebuilt image. For more information on how to build the Rootfs from scratch, see [https://wiki.ubuntu.com/ARM/RootfsFromScratch](https://wiki.ubuntu.com/ARM/RootfsFromScratch). For more information on the Ubuntu Base, see [https://wiki.ubuntu.com/Base](https://wiki.ubuntu.com/Base). - **[Acquire an Ubuntu environment](https://docs.qualcomm.com/doc/80-88500-2/topic/24_Acquire_an_Ubuntu_environment.html)** - **[Download a prebuilt image](https://docs.qualcomm.com/doc/80-88500-2/topic/25_Download_a_prebuilt_image.html)** - **[Customize Qualcomm Rootfs](https://docs.qualcomm.com/doc/80-88500-2/topic/26_Customize_QTI_Rootfs.html)** **Parent Topic:** [Build system](https://docs.qualcomm.com/doc/80-88500-2/topic/4_Qualcomm_Robotics_RB5_build_system.html) Last Published: Aug 18, 2023 [Previous Topic Toolchain (Linux Embedded)](https://docs.qualcomm.com/bundle/publicresource/80-88500-2/topics/toolchain_linux_embedded.md) [Next Topic Acquire an Ubuntu environment](https://docs.qualcomm.com/bundle/publicresource/80-88500-2/topics/24_Acquire_an_Ubuntu_environment.md)