Linux的命令总结 1. man:在线请求系统帮助 例:man mkdir NAME:这个命令的完整全名 mk(make directories) SYNOPSIS:这个命令的基本语法 mkdir [OPTION]... DIRECTORY... OPTION:参数 DERECTORY:目录或者行为 DESCRIPTION:具体描述命令的使用方法 -m, --mode=MODE set file mode (as in chmod), not a=rwx – umask 左边的-m为短参数,右…

  How to know CPU info      cat /proc/cpuinfo      arch   How to know memory info: cat /proc/meminfo or sudo dmidecode -t memory free   How to know Linux release info CentOS: vim /etc/redhat-release   How to check if Mysql running? sudo netstat -tap…

https://access.redhat.com/articles/1189123 Common administrative commands in Red Hat Enterprise Linux 5, 6, and 7 Updated April 12 2017 at 11:20 AM - English System basics Task RHEL5 RHEL6 RHEL7 View subscription information /etc/sysconfig/rhn/system…

转载:http://azer.bike/journal/10-linux-commands-every-developer-should-know/ As a software engineer, learning Linux was the best time investment I've made. Since it's a system that user has to understand and maintain, daily experience feels like adding…

abrt-cli --since ;查看abrt捕捉的异常 alias ;别名,alias rm='rm -i':使用“ \rm ” 使用原命令 alsamixer ;图形音量调节,q 增加左声道, w 同时增加,e 增加右声道,上下键同时增加减小音量, s 选择声卡 amixer ; amixer set Master % 调节音量:alsamixer是Linux 音频架构ALSA中的Alsa工具的其中一个,用于配置音频的各个参数, amixer 是他的文本模式 apachectl ; apa…

reference:http://www.coolcoder.in/2013/12/common-linux-log-files-name-and-usage.html if you spend lot of time in Linux environment, it is essential that you know where the log files are located, and what is contained in each and every log file. When…

$((expression)) echo $(2+2) :wrong echo $((2+2))  : right echo Front-{A,B,C}-Back Front-A-Back Front-B-Back Front-C-Back echo start{1..5}end start1end start2end start3end start4end start5end echo start{A..Z}end $(cmd) 命令替换 一个命令的输出作为另一个命令的参数 uses back…

linux一说都是搞开发玩的,敲敲键盘就能完成所有的工作.其实你也可以这么玩,玩游戏的除外哦. 那我们就来侃侃如何玩,linux是命令的天下,高级的命令那是相当的多,但是我们正真用到的也就那么几个看你是不是都知道,如果你都知道的话,说明你已经会玩了. 当然第一步是打开Terminal终端又了这个linux才会听你的话. ls ls 列出文件和目录 ls /home (列出home下面的所有文件和目录) ls -alh 列出当前所有文件包括隐藏文件及文件大小权限和时间,我一般都这么使用,它的使用太…

.bash_profile is a file that bash invokes (or more technically sources) before the start of a new bash session. In .bash_profile, we have the opportunity to add variables, functions, and aliases to customize our bash environment and provide reusable…

http://how-to.linuxcareer.com/learning-linux-commands-awk 1. Introduction In this case, the title might be a little misleading. And that is because awk is more than a command, it's a programming language in its own right. You can write awk scripts fo…