C GUI programs create menus with the help of a library that's designed for this purpose; this is not a function of the Linux kernel. Thus, option C is a non-kernel function, and is correct. The kernel allocates memory and CPU time, and it also controls access to disk and network hardware, so options A, B, D, and E all describe kernel functions and are incorrect.
A Android is used on cell phones and other small portable devices, and as such it qualifies as an embedded OS, making option A correct. SUSE, CentOS, Debian, and Fedora are all examples of distributions intended mainly for use on desktop, laptop, and server computers; these do not qualify as embedded OSs, so options B, C, D, and E are ...
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