Here it is: My first ever evidence I developed during my computer science course @ the HTW.
Developing a bash script which puts out the amount of time a specific user was on a specific computer lab pc in a specific month. When specifying a room number, it should print out the durations in total and for each computer seperately. This was the evidence of the module Operating Systems 1.

s74020@*****:~/BS_1/Beleg> ./s74020 isys2 s74020 Dec
Klarname: Raphael Pour
Dauer:        0 Minuten (0+00:00)
s74020@*****:~/BS_1/Beleg> ./s74020 146a s74020 Dec
Klarname: Raphael Pour
Dauer:
isys1:      0 Minuten (0+00:00)
isys2:      0 Minuten (0+00:00)
isys3:      0 Minuten (0+00:00)
isys4:      0 Minuten (0+00:00)
isys5:      0 Minuten (0+00:00)
isys6:   1143 Minuten (0+19:03)
isys7:      0 Minuten (0+00:00)
isys8:      0 Minuten (0+00:00)
isys9:      0 Minuten (0+00:00)
isys10:      0 Minuten (0+00:00)
isys11:      0 Minuten (0+00:00)
isys12:      0 Minuten (0+00:00)
isys13:      0 Minuten (0+00:00)
isys14:      0 Minuten (0+00:00)
isys15:      0 Minuten (0+00:00)
isys16:    387 Minuten (0+06:27)
isys17 ist nicht erreichbar.
isys18:      0 Minuten (0+00:00)
isys19:      0 Minuten (0+00:00)
isys20 ist nicht erreichbar.
isys21:      0 Minuten (0+00:00)
isys22:      0 Minuten (0+00:00)
Total:  1530 Minuten (1+01:30)

The whole script can be found here

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