rpm2cpio 提取软件包文件
应用: 恢复系统文件
[root@localhost ~]# rm -f /etc/inittab[root@localhost ~]# mkdir /backup[root@localhost ~]# cd /backup/[root@localhost backup]# rpm -qf /etc/inittabinitscripts-8.45.30-2.el5.centos[root@localhost backup]# rpm2cpio /mnt/cdrom/CentOS/initscripts-8.45.30-2.el5.centos.i386.rpm | cpio -idv ./etc/inittab./etc/inittab10749 blocks[root@localhost backup]# cp etc/inittab /etc/inittab
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