<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_45596267的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_45596267</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_45596267]]></copyright><item><title><![CDATA[Shell命令行操作]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/103129970</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/103129970</guid><author>qq_45596267</author><pubDate>Mon, 18 Nov 2019 20:21:31 +0800</pubDate><description><![CDATA[...]]></description><category></category></item><item><title><![CDATA[shell]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/103129743</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/103129743</guid><author>qq_45596267</author><pubDate>Mon, 18 Nov 2019 20:12:56 +0800</pubDate><description><![CDATA[1 #! /usr/bin/bash
2 #find files contains a keyword
3
4 echo -e “\nPlease input your specified path:”
5 read dir
6 test ! -d KaTeX parse error: Expected 'EOF', got '&amp;' at position 12: dir&lt;/span...]]></description><category></category></item><item><title><![CDATA[【Linux】tree命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102887612</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102887612</guid><author>qq_45596267</author><pubDate>Sun, 03 Nov 2019 21:40:41 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
tr...]]></description><category></category></item><item><title><![CDATA[【Linux】rmdir命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102887597</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102887597</guid><author>qq_45596267</author><pubDate>Sun, 03 Nov 2019 21:39:48 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
英文...]]></description><category></category></item><item><title><![CDATA[shell编程题（2）]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102827452</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102827452</guid><author>qq_45596267</author><pubDate>Wed, 30 Oct 2019 21:17:17 +0800</pubDate><description><![CDATA[6、猜数字游戏
#!/bin/bash
脚本生成一个 100 以内的随机数,提示用户猜数字,根据用户的输入,提示用户猜对了,
猜小了或猜大了,直至用户猜对脚本结束。
num=$[RANDOM%100+1]
RANDOM 为系统自带的系统变量,值为 0‐32767的随机数
使用取余算法将随机数变为
1‐100 的随机数
echo “$num”
while :
do
read -p "计算机生成了一个...]]></description><category></category></item><item><title><![CDATA[sed命令详解]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102771050</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102771050</guid><author>qq_45596267</author><pubDate>Sun, 27 Oct 2019 20:27:48 +0800</pubDate><description><![CDATA[sed命令详解
        &lt;/h1&gt;
        &lt;div class="clear"&gt;&lt;/div&gt;
        &lt;div class="postBody"&gt;


    sed：Stream Editor文本流编辑，sed是一个“非交互式的”面向字符流的编辑器。能同时处理多个文件多行的内容，可以不对原文件改...]]></description><category></category></item><item><title><![CDATA[Sed]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102771018</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102771018</guid><author>qq_45596267</author><pubDate>Sun, 27 Oct 2019 20:25:28 +0800</pubDate><description><![CDATA[Sed
一&nbsp;sed简介
sed是stream&nbsp;editor的缩写，一种流编辑器，它一次处理一行内容。处理时，把当前处理的行存储在临时缓冲区中，称为“模式空间”（pattern&nbsp;space），接着用sed命令处理缓冲区中的内容，处理完成后，把缓冲区的内容送往屏幕。接着处理下一行，这样不断重复，直到文件末尾。文件内容并没有改变，除非你使用重定向存储输出。sed主要用来自...]]></description><category></category></item><item><title><![CDATA[awk]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102770999</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102770999</guid><author>qq_45596267</author><pubDate>Sun, 27 Oct 2019 20:24:19 +0800</pubDate><description><![CDATA[一、awk 模式和动作
　　awk程序组成： pattern   { action statements }
1.1 awk patt...]]></description><category></category></item><item><title><![CDATA[shell编程题（1）]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102656800</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102656800</guid><author>qq_45596267</author><pubDate>Mon, 21 Oct 2019 08:39:12 +0800</pubDate><description><![CDATA[1、编写hello world
#！/usr/bin #指定解析器
#编写hello world！脚本
echo“hello world！”#输出hello world！

2、通过位置变量创建Linux系统账户及密码
#!/bin/bash
# 通过位置变量创建 Linux 系统账户及密码
#$1 是执行脚本的第一个参数,$2 是执行脚本的第二个参数
useradd    "$1" 
echo ...]]></description><category></category></item><item><title><![CDATA[shell脚本编程]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102653249</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102653249</guid><author>qq_45596267</author><pubDate>Sun, 20 Oct 2019 20:33:16 +0800</pubDate><description><![CDATA[运维工程师—shell脚本编程
shell：1、命令解析器–&gt;应用程序
   2、调用相应的功能
输出：echo $name
shell三种变量
   1、自定义变量
   2、默认变量
   3、内置变量
第一句
#！/usr/bin/sh 指定解析器
交互式
sh/bash hello.sh
非交互式
chmod v+x hello.sh
./hello.sh
shell编程
1、什么是...]]></description><category></category></item><item><title><![CDATA[Linux Shell脚本攻略2]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102653203</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102653203</guid><author>qq_45596267</author><pubDate>Sun, 20 Oct 2019 20:30:12 +0800</pubDate><description><![CDATA[文件描述符及重定向


文件描述符是与文件输入、输出相关联的整数，它们用来跟踪已打开的文件。最常见的文件描述符是stdin（0，标准...]]></description><category></category></item><item><title><![CDATA[Linux Shell脚本攻略]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102653183</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102653183</guid><author>qq_45596267</author><pubDate>Sun, 20 Oct 2019 20:28:27 +0800</pubDate><description><![CDATA[Linux Shell简介


Shell脚本通常是一个以shebang（#!/bin/bash）起始的文本文件，其中/bin/ba...]]></description><category></category></item><item><title><![CDATA[makefile]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102537964</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102537964</guid><author>qq_45596267</author><pubDate>Sun, 13 Oct 2019 21:05:23 +0800</pubDate><description><![CDATA[嵌入式Linux开发工具：vim文本编辑器，gcc编辑器，gdb调试器，工程管理器make，脚本shell
 1.什么工程？
  很多文件构成内软件代码----10000个.c文件如何编译？----工程管理器----作用？
  自动编译、管理代码（git/github）
 Makefile：规定了如何自动编译
 脚本文件：批处理，脚本编程，Python
 三要素：目标，依赖，命令
  格式：
  ...]]></description><category></category></item><item><title><![CDATA[【Linux】mkdir命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102537934</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102537934</guid><author>qq_45596267</author><pubDate>Sun, 13 Oct 2019 21:03:41 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
mk...]]></description><category></category></item><item><title><![CDATA[【Linux】cd命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/102537921</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/102537921</guid><author>qq_45596267</author><pubDate>Sun, 13 Oct 2019 21:02:39 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
cd...]]></description><category></category></item><item><title><![CDATA[调试器：gdb]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/101718683</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/101718683</guid><author>qq_45596267</author><pubDate>Sun, 29 Sep 2019 21:32:43 +0800</pubDate><description><![CDATA[调试器：gdb
三大特点：
1、启动被调试的程序；
2、设置断点，单步执行；
3、查看变量的值；
查看全代码：gdb +可执行文件±-tui
layout asm 汇编显示
layout split同时显示
layout src 显示源码
断点：
break+行号
break+行号+条件
break+函数名
info break；
delete+断点编号
disable+断点编号（使断点暂时失去功...]]></description><category></category></item><item><title><![CDATA[【Linux】pwd命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/101718641</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/101718641</guid><author>qq_45596267</author><pubDate>Sun, 29 Sep 2019 21:32:04 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
pw...]]></description><category></category></item><item><title><![CDATA[【Linux】info命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/101718564</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/101718564</guid><author>qq_45596267</author><pubDate>Sun, 29 Sep 2019 21:31:11 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
in...]]></description><category></category></item><item><title><![CDATA[嵌入式操作系统-Linux开发工具]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/101171635</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/101171635</guid><author>qq_45596267</author><pubDate>Sun, 22 Sep 2019 20:44:45 +0800</pubDate><description><![CDATA[嵌入式操作系统-Linux开发工具
文本编辑器：vim IDE：集成开发环境
1、基本操作：三种模式
2、如何配置vim：letc/vimrc
3、vim命令模式操作：复制yy nyy 、粘贴p、删除dd ndd、恢复u
4、vim底行模式操作
查找：/str ？ str
替换：s/old/new/flag flag：g全行 c询问 %全文替换 另存为：r，w
多文件编辑器：vim+多个文件（fi...]]></description><category></category></item><item><title><![CDATA[【Linux】help命令]]></title><link>https://blog.youkuaiyun.com/qq_45596267/article/details/101171609</link><guid>https://blog.youkuaiyun.com/qq_45596267/article/details/101171609</guid><author>qq_45596267</author><pubDate>Sun, 22 Sep 2019 20:43:47 +0800</pubDate><description><![CDATA[00. 目录
文章目录00. 目录01. 命令概述02. 命令格式03. 常用选项04. 参考示例05. 附录
01. 命令概述
he...]]></description><category></category></item></channel></rss>