The way of Learning (a): basic commands and Linux working principle

Source: Internet
Author: User

看了视频,它系统的讲解了linux从硬件到操作系统的工作过程,以及常用的基础命令的详细参数及用法。 我也在这里整理之后加强记忆一次基本概念,及linux文件树目录的基本知识结构。
                硬件——>操作系统OS——>library——>shell(GUI或者CLI)            ☆/boot:系统启动相关文件。如内核(mlinuz和initramfs),inittrd以及grub(bootloader)                /dev:设备文件:块设备/字符设备/设备号            ☆/etc:配置文件                /home:用户家目录            ☆/root:管理家目录            ☆/lib:库文件                            /lib/modules:内核模块文件                /media:挂载点目录(移动设备)                /mnt:挂载点目录(临时文件系统)                /opt:可选目录(第三方程序安装目录)                /proc:伪文件系统,内核映射文件                /sys:伪文件系统,跟硬件设备相关的属性映射文件                /tmp:临时文件                /var:可变化的文件,如cache缓存,进程ID号            ☆bin:binary二进制;可执行文件,用户名了            ☆/sbin:管理命令            ☆/usr:全局共享只读文件                                /usr/bin                                /usr/sbin                                /usr/lib                /usr/local:第三方软件存放目录                                /usr/local/bin                                /usr/local/sbin                                /usr/local/lib
             目录管理:ls,cd,pwd,mkdir,rmdir,pstree             文件管理:touch,stat,file,rm,cp,mv,nano             日期时间:date,clock,hwclock,cal             文本查看:cat,tac,more,less,head,tail             文本处理:cut,join,sed,awk,sort,grep,uniq,tr

The way of Learning (a): basic commands and Linux working principle

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