A box labeled Application software is connected by two double headed arrows with another box labeled User interface (text or graphical). The box labeled Application software is also connected by two double headed arrows with another empty box. The empty box is attached with the User interface box. Two double headed arrows connect the empty box with another box labeled G N U system utilities. Each of the boxes labeled User interface and G N U system utilities are connected by two double headed arrows with another box labeled Linux kernel. The Linux kernel box is connected by four double headed arrows with another box labeled computer hardware at the bottom.
Line 1: dollar cat slash proc slash mem info. Line 2: Mem Total colon 2035504 ...
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