Add punctuation: But Aristarchus has brought out a book consisting of certain hypotheses wherein it appears as a consequence of the assumptions made that the universe is many times greater than the universe just mentioned
A: But Aristarchus has brought out a book consisting of certain hypotheses, wherein it appears, as a consequence of the assumptions made, that the universe is many times greater than the 'universe' just mentioned.

Add punctuation: dpkg Dont lose metadata if readdir returns newly added files
A: dpkg Don't lose metadata if readdir() returns newly added files

Add punctuation: Alocal trattoria that specializes in fresh dishes including meat fish and vegetables at reasonable rates
A:
Alocal trattoria that specializes in fresh dishes including meat, fish and vegetables at reasonable rates.