Repetition of commands in examples

In the Introduction to Shell lesson the given examples for External Commands contain a repetition of the uptime command.

Also, in the same examples I want to point out that the Latin phrase et cetera should only be abbreviated as etc. and not e.t.c. .

This is not nitpicking but merely a small suggestion of improvement and a way for me to interact with the community.

Screenshot from 2024-05-18 12-56-19

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