Compression

Kind	Compression	Extraction
tar	-czvf ARCHIVE.tar.gz FILE_OR_FOLDER	-xzvf TAR_FILE -C OUT_PATH
gzip	FILE
zip	ARCHIVE.zip FILE or -r ARCHIVE.zip PATTERN

# compress each file as gzip
for i in */*.jl; do echo "$i" && gzip "$i"; done

## as zip
for i in *.csv; do zip `basename $i .csv`.zip $i; done

# compress each folder
for i in *; do zip -r `basename $i`.cbz $i; done