Operating Systems: Virtualization, Concurrency & Persistence/

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Simulator

Simulator

This lesson explains how to interact with the simulator for the exercise presented in the next lesson.

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The program checksum.py is very simple: it can be used to calculate checksums of different flavors (addition, XOR-based, or fletcher) on either random values (as generated by the program) or on values you pass in as a series of bytes.

Terminal 1
Terminal
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When run in the default mode:

prompt> ./checksum.py

OPTIONS seed 0
OPTIONS data_size 4
OPTIONS data

Decimal:          216        194        107         66
Hex:             0xd8       0xc2       0x6b       0x42
Bin:
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