功能:tail命令可以输出文件的尾部内容,默认情况下它显示文件的最后十行.显示每个指定文件的最后10 行到标准输出.若指定了多于一个文件,程序会在每段输出的开始添加相应文件名作为头.如果不指定文件或文件为"-" ,则从标准输入读取数据.它常用来动态监视文件的尾部内容的增长情况,比如用来监视日志文件的变化. 语法:tail [选项] [文件] 短选项 长选项 涵义 -c[+] K --bytes=[+] K 输出最后 K 字节:另外,使用-c +K 从每个文件的第 K 字节输出
## Sphinx configuration file sample## WARNING! While this sample file mentions all available options,# it contains (very) short helper descriptions only. Please refer to# doc/sphinx.html for details.# #################################################
This is the story about how I cracked 122 million* password hashes with John the Ripper and oclHashcat-plus. Author: m3g9tr0n, Copy Editor: Thireus. It was several months ago, when I (m3g9tr0n) saw a tweet from KoreLogic about atorrent file containin
今天和同事聊了一下Kib Kb KB KIB这几个单位的含义及其区别,自己在网上也查了查资料,总结如下: Ki 和 K 只是数学单位 Ki = 1024 K = 1000 这二者之间没有任何联系 B 和 b 表示物理存储单位 B = Byte 即一个字节 b = bit 即一个二进制位 了解计算机基本原理的都知道,二者的关系是 : 1 Byte = 8 bit 所以有如下结果: 1Kib = 1024 bit 1Kb = 1000 bit 1KiB = 1024 Byte 1KB =
Install Ruby(安装) For windows you can download Ruby from http://rubyforge.org/frs/?group_id=167 for Linux tryhttp://www.rpmfind.net. Our first program(从此开始) Enter the following into the file, "test.rb". puts "Howdy!" At the C: prompt en
On the internet you will find plenty of tools for checking disk space utilization in Linux. However, Linux has a strong built in utility called ‘df‘. The ‘df‘ command stand for “disk filesystem“, it is used to get full summary of available and used d
Background After trying to solve problem EDIT1(Editor) and being ****ed by Brainf**k, Blue Mary decided to set another difficult problem about editor. Description Some definations: Text: It's a sequence that consists characters whose ASCII code is in