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命令 – 理想社会

标签: 命令

  • Linux命令小技巧

    1.按内存从大到小排列进程:
    ps -eo “%C : %p : %z : %a”|sort -k5 -nr

    2.查看当前有哪些进程;查看进程打开 的文件:
    ps -A ;lsof -p PID

    3.获取当前IP地址(从中学习grep,awk,cut的作用)
    ifconfig eth0 |grep “inet addr:” |awk ‘{print $2}’|cut -c 6-

    4.统计每个单词出现的频率,并排序 (更多…)

  • Linux系统信息查看命令大全

    系统

    # uname -a # 查看内核/操作系统/CPU信息 # head -n 1 /etc/issue # 查看操作系统版本 # cat /proc/cpuinfo # 查看CPU信息 # hostname # 查看计算机名 # lspci -tv # 列出所有PCI设备 # lsusb -tv # 列出所有USB设备 # lsmod # 列出加载的内核模块 # env # 查看环境变量

    资源

    # free -m # 查看内存使用量和交换区使用量 # df -h # 查看各分区使用情况 # du -sh <目录名> # 查看指定目录的大小 # grep MemTotal /proc/meminfo # 查看内存总量 # grep MemFree /proc/meminfo # 查看空闲内存量 # uptime # 查看系统运行时间、用户数、负载 # cat /proc/loadavg # 查看系统负载 (更多…)