enlyhua的专栏

https://www.oschina.net/translate/linux-netcat-command

http://man.linuxde.net/envhttp://www.cnblogs.com/dongzhiquan/archive/2012/01/10/2317641.html

http://blog.chinaunix.net/uid-23622436-id-3235778.htmlhttp://www.cnblogs.com/lyongde/p/4190588.html

http://man.linuxde.net/ldconfighttp://blog.youkuaiyun.com/inuyashaw/article/details/70789230

http://www.cnblogs.com/qq78292959/archive/2012/05/08/2490443.html

http://blog.youkuaiyun.com/orangleliu/article/details/49133199

http://man.linuxde.net/mknod

http://www.linuxidc.com/Linux/2014-09/106497.htm

sort 目标 -u 去重 -r 降序 -o 代替 重定向，可以重定向带原文件 -n 以数值排序 sort -n -k 2 -t ':' test.txt 以数值排序，以第二列排序，分割符为：http://www.cnblogs.com/dong008259/archive/2011/12/08/2281214.html

http://www.cnblogs.com/peida/archive/2012/12/28/2837345.html

http://www.cnblogs.com/MenAngel/p/5563180.html

http://man.linuxde.net/ifstat

http://www.cnblogs.com/wspblog/p/4651971.html

1. top -Hp 进程pid //该进程下的线程进行观察https://mp.weixin.qq.com/s/AqhjsPkAjT1GSN4GTqaJOAhttp://www.cnblogs.com/peida/archive/2012/12/24/2831353.html

http://blog.youkuaiyun.com/liushu_it/article/details/48475657

如下：

http://blog.youkuaiyun.com/gaojinshan/article/details/40786223

du -h --max-depth=1 // 输出当前目录下各个子目录所使用的空间du -hs 目录/文件名 // 总大小http://www.cnblogs.com/peida/archive/2012/12/10/2810755.html

http://blog.youkuaiyun.com/samssm/article/details/50884214http://blog.yufeng.info/archives/1239

http://blog.youkuaiyun.com/zhangskd/article/details/25708441https://www.ibm.com/developerworks/cn/linux/l-cn-systemtap3/

http://blog.youkuaiyun.com/Crazy_Tengt/article/details/72717144

http://blog.youkuaiyun.com/tanga842428/article/details/52856413http://www.cnblogs.com/liu-ke/p/4882616.htmlhttp://blog.chinaunix.net/uid-23683795-id-3479937.html

http://os.51cto.com/art/200912/173136.htm

http://www.cnblogs.com/ggjucheng/archive/2012/01/08/2316599.html

http://www.cnblogs.com/hoys/archive/2012/08/19/2646377.htmlhttp://www.cppblog.com/sleepwom/archive/2010/12/27/137564.html

http://blog.youkuaiyun.com/sycflash/article/details/6643492

http://blog.youkuaiyun.com/adaptiver/article/details/6596143http://man.linuxde.net/time

http://blog.youkuaiyun.com/u014150409/article/details/51685982

获取和设置 用户限制语法格式:ulimit [-acdfHlmnpsStvw] [size]-H 设置硬件资源限制.-S 设置软件资源限制.-a 显示当前所有的资源限制.-c size:设置core文件的最大值.单位:blocks-d size:设置数据段的最大值.单位:kbytes-f size:设置创建文件的最大值.单位:blocks-l size:设置在内存中锁定进程的最大值.单

实用命令实例监视指定网络接口的数据包tcpdump -i eth1 // 如果不指定网卡，默认tcpdump只会监视第一个网络接口，一般是eth0，下面的例子都没有指定网络接口监视指定主机的数据包tcpdump host sundown // 打印所有进入或离开sundown的数据包.tcpdump host 210.27.48.1 // 也可以指定ip,例如截获所有210.27.48.1 的主

tcpdump - 显示网络负载用法概览tcpdump [ -AdDeflLnNOpqRStuUvxX ] [ -c count ][ -C file_size ] [ -F file ][ -i interface ] [ -m module ] [ -M secret ][ -r file ] [ -s snaplen ] [ -T type ] [ -w file ][ -W file

http://www.2cto.com/os/201412/359260.html

查看进程间通信： http://blog.youkuaiyun.com/macky0668/article/details/6839559http://www.jb51.net/article/40805.htm

http://blog.youkuaiyun.com/princess9/article/details/6785108

http://blog.chinaunix.net/uid-26153587-id-4088945.html

http://blog.youkuaiyun.com/princess9/article/details/6785108http://blog.chinaunix.net/uid-26833883-id-3219335.htmlhttp://man.linuxde.net/objdumphttp://blog.youkuaiyun.com/a351945755/article/details/21833439

http://blog.youkuaiyun.com/stpeace/article/details/46641069http://man.linuxde.net/stringshttp://blog.youkuaiyun.com/stpeace/article/details/49497961http://blog.youkuaiyun.com/stpeace/article/details/50077677

http://blog.youkuaiyun.com/statdm/article/details/7759100http://zhongcong386.blog.163.com/blog/static/134727804201211915035842/

http://www.linuxidc.com/Linux/2011-05/35774.htmhttp://blog.youkuaiyun.com/mafuli007/article/details/7568176http://blog.youkuaiyun.com/langeldep/article/details/8296929

ar crv 库名 打包的文件1 2 3ar t 库名 查看http://blog.youkuaiyun.com/xuhongning/article/details/6365200