hexdump -C asa802-k8.bin > asa802-k8.hd
# grep "1f 8b 08 00 1d" asa802-k8.hd
001228b0 1f 8b 08 00 1d 3d 73 46 00 03 ec 3a 6d 54 14 57
# ls -la asa802-k8.bin
-rw-r--r-- 1 ftp wheel 14524416 9 Aug 09:25 asa802-k8.bin
# perl -e '$x=14524416-0x1228b0;print "$x\n"'
13334352
# tail -c 13334352 asa802-k8.bin > asa802-k8.gz
# gzip -d asa802-k8.gz
# cpio -i --make-directories < asa802-k8 --no-absolute-filenames
cpio: Removing leading `/' from member names
...
cpio: Removing leading `/' from member names
61039 blocks
# rm asa802-k8
斑竹说说原理吧
做都会做
很想知道为什么这么做～～
