linux 中 source
时间: 2023-10-11 21:11:03 浏览: 38
在Linux中,source命令用于重新执行刚修改的初始化文件,使之立即生效,而不必注销并重新登录。使用source命令可以刷新当前shell环境,以便立即使用新的别名或其他设置。举个例子,如果你想为ls -al定义一个别名为ll,你可以使用以下命令将该别名定义添加到你的.bashrc文件中:
`echo "alias ll='ls -al'" >> ~/.bashrc`
然后,你可以使用source命令重新加载你的.bashrc文件,让别名生效:
`source ~/.bashrc`
这样,你就可以在当前shell中使用ll命令来代替ls -al命令了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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