$ curl cheat.sh/
# zcat
# Print data from gzip compressed files.
# More information: <https://www.gnu.org/software/gzip/manual/gzip.html>.

# Print the uncompressed contents of a gzipped file to the standard output:
zcat file.txt.gz

# Print compression details of a gzipped file to the standard output:
zcat -l file.txt.gz

$
Follow @igor_chubin cheat.sh tldr