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  • 基本命令(一)

    查看系统基本信息:                                                           
    hostname | uname -n                                                 
    uname -r                                                            
    uname -a                                                            
    cat /etc/redhat-release                                             
                                                                        
    lsblk                                                               
    blkid   //查看磁盘号                                                     
    du -sh      //查看当前目录                                                
    du -sh /home    //查看目录的使用空间                                         
                                                                        
    last    //查看系统什么时候重启过                                               
    lastlog //查看用户最后一次登录操作系统的时间                                         
    uptime  //显示系统的系统的基本状况                                              
                                                                        
    top     //监控操作系统实时运行状况                                              
        r:更改正在运行进程的nice值                                                
        k:杀掉进程                                                          
        q:退出                                                            
        ?:寻求帮助                                                          
        shift+>:向下翻页                                                    
        shift+<:向上翻页                                                    
        shift+p:按照进程占用cpu的百分比排序                                         
        shift+M: 按照进程占用内存的百分比排序                                         
                                                                        
    ps命令:                                                               
    #查看本终端所运行的程序                                                        
    ps aux      //显示更多信息,BSD语法                                          
    ps -ef      //显示更多信息,标准语法                                           
    //打印一个进程树                                                           
    ps -ejH                                                             
    ps axjf                                                             
                                                                        
    //获取有关线程的信息                                                         
    ps -eLf                                                             
    ps axms                                                             
                                                                        
    //获取安全信息                                                            
    ps -eo euser,ruser,suser,fuser,f,comm,label                         
    ps axZ                                                              
    ps -eM                                                              
    =====================================================================

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  • 原文地址:https://www.cnblogs.com/erick2/p/5878783.html
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