linux中怎么查看各个文件的作用的描述
例如我想知道/etc/issue这个文件是用来做什么的,怎么用man命令或者其他命令搜索出如下的结果:
man手册对/etc/issue文件的描述是:
The file /etc/issue is a text file which contains a message or system identification to be printed before the login prompt. It may contain various @char and \char sequences, if supported by getty.