advzip -z -k -4 *.zip-z = recompress the specified archives -k = keep the zip time -4 = best compression For png files:
advpng -z -4 *.pngTo install on RedHat/Fedora/CentOS:
dnf install advancecompThere is also pngcrush
advzip -z -k -4 *.zip-z = recompress the specified archives -k = keep the zip time -4 = best compression For png files:
advpng -z -4 *.pngTo install on RedHat/Fedora/CentOS:
dnf install advancecompThere is also pngcrush