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the .sdcard.xz file type

Question asked by 芸生 周 on Aug 21, 2019
Latest reply on Aug 23, 2019 by Joan Xie


    when i got the rootfs(fsl-image-qt5-validation-imx-imx8mmevk.sdcard.xz) by yocto and i want add something in rootfs(fsl-image-qt5-validation-imx-imx8mmevksdcard.xz), so i  decompression the rootfs and got a file fsl-image-qt5-validation-imx-imx8mmevk.sdcard, but i don not know how to decompression the  file fsl-image-qt5-validation-imx-imx8mmevk.sdcard。so i need use what tools or instruction decompression/compression  the  .sdcard file, thanks.