问题
I tried to extract Essentials.pkg from OS X 10.10 following by solution from this answer. But have no success.
I get error gunzip: unknown compression format
if i try to extract with cmd: cat Payload | gunzip -dc |cpio -i
I get error: tar: Unrecognized archive format
if i try to extract with cmd: tar xzvf Payload
Could anyone suggest any solution?
来源:https://stackoverflow.com/questions/34989912/how-to-unpack-pkg-file-from-osx-10-10-and-higher