This doesn’t appear to be a standard English sentence. It might be:
With a roar of decompression, the world inverted. The New shattered. The RAR bloomed open, and inside was his home folder, pristine and eight versions younger. filedot to ls land 8 prev rar new
That's normal. cd - prints the directory name. If it goes nowhere, you haven't used cd before. Use cd $OLDPWD explicitly. This doesn’t appear to be a standard English sentence
rar a -o+ -ma5 new_archive.rar land/