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    try {
        File file = new File("/proc/version");
        FileInputStream fis = new FileInputStream(file);
        BufferedReader br = new BufferedReader(new InputStreamReader(fis));
        String line = br.readLine();
        Log.d("Kernel Info", line);
    } catch (Exception e) {
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    }
}

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    File file = new File("/dev/mydevice");
    FileInputStream fis = new FileInputStream(file);
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    byte[] data = new byte[1024];
    fis.read(data);
    
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    FileOutputStream fos = new FileOutputStream(file);
    byte[] newData = "Hello, device!".getBytes();
    fos.write(newData);
}

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