tar: Child returned status 1
tar: Error is not recoverable: exiting now

异常1：

> tar -zxvf

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now

解决：

删除z，即：tar -xvf

异常2：

> tar -jxvf

stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now

解决：

删除j，即：tar -xvf