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[root@linux ~]# tar -jcvf /tmp/etc.tar.bz2 /etc <==´ò°üºó£¬ÒÔ bzip2 ѹËõ
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[root@linux ~]# tar -ztvf /tmp/etc.tar.gz
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[root@linux ~]# cd /usr/local/src
[root@linux src]# tar -zxvf /tmp/etc.tar.gz
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