bash: tar-zxvf:

-bash: tar: command not found是由于系统中没有安装tar命令导致的错误。根据引用的内容，你可以按照以下步骤来解决这个问题：

1. 下载并解压bash的tar文件：

   #tar zxvf bash-4.4.tar.gz

2. 进入解压后的目录：

   #cd bash-4.4

3. 运行configure命令进行配置（如果是在centos7上编译，需要先安装gcc）：

   #./configure

4. 编译：

   #make

5. 安装：

   #make install

6. 添加环境变量，将bash的安装路径加入到PATH中：

   #echo 'export PATH=/usr/local/bin:$PATH' >> /etc/profile

7. 更新环境变量：

   #source /etc/profile

这样就可以解决bash: tar-zxvf: -bash: tar: command not found的问题了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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