Linux的基本命令
1.Linux的命令类型
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103107132-68475246.jpg)
2.命令的基本格式
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103107820-572173588.jpg)
3.例子:
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103108304-983525391.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103108570-663633098.jpg)
Linux当中有七种文件类型,通过第一个字符来表示文件类型。除了上述"-";"d";"l"这三种文件类型之外还有另外四种文件类型。分别是块设备文件,字符设备文件,套接字文件和管道文件。后面这四种文件我们不使用常用的操作命令来操作。除去第一位文件类型之后,还有九位,每三位为一组,分别代表所有者,所属组和其他人的权限。··············
二.文件处理命令
1.Linux一切皆文件,目录也是文件。一般文件是保存数据的,而目录是保存文件的。
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103108788-1939727280.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103109038-106312481.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103109273-936161057.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103109523-103342366.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103109851-1007914230.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103110085-1861754636.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103110320-1250085026.jpg)
2.文件处理命令
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103110788-1445948054.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103111210-837055247.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103111616-2032716667.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103111976-1092889037.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103112351-1990129057.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103112851-947295664.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103113273-1905329545.jpg)
![](https://images2015.cnblogs.com/blog/1111680/201702/1111680-20170223103113882-1173394662.jpg)