Extension
Computer
Pkg.
Comment
.hqx or .Hqx
Mac
StuffIt
ASCII encoding
Compact Pro
algorithm
.sit or .Sit
Mac
StuffIt
Binary compression
Compact Pro
algorithm
.zip or .ZIP
PC/All
Pkunzip
This indicates file
has been
compressed
with a common
DOS compression
program,
known as PKZIP.
.gz
Unix/All
gunzip
A version of zip
from GNU. Free
and
available on all
platforms
.z
UNIX
uncompress
A
Unix
compression method.
Mac utility
available
.tar
UNIX
tar
A Unix archiving
algorithm,
originally
developed for use
with magnetic tapes
Mac utility
available
Further file codes may be found in Additional file codes link