pwd 输出当前工作路径tree 以树状图列出目录的内容ctrl+c 取消命令的执行clear
清空屏幕ls 列出文件目录 蓝色是目录，白色是普通文件alias cls=clear 别名终端：本地终端、远程虚拟终端tty：哪个终端登录Alt
F1切换终端登录w：查看多少人登录id/groups以.开...
分类：
系统相关 时间：
2014-05-08 14:26:41
阅读次数：
479
This section lists some of the common causes of
deployment problems, and offers troubleshooting tips to help you resolve the
problems. An indication t...
分类：
其他好文 时间：
2014-05-08 09:31:31
阅读次数：
447
Foreword Need to remove a batch of VMs, which
named with same prefix or belong to same Cloud Service. After remove VMs, should
automatically remove re...
分类：
其他好文 时间：
2014-05-08 09:18:56
阅读次数：
265
一、user1.每个用户将指派唯一用户ID（UID）root的ID为0普通用户ID从500开始（0-500系统使用）2.用户名和用户ID存在/etc/passwd中3.当用户登陆时系统自动为其分配一个用户家目录4.用户无法读、写、执行其他用的文件二、changingfileownership1.onlyrootcanchangeafile‘sowner2...
分类：
系统相关 时间：
2014-05-08 03:01:10
阅读次数：
665
题目链接 Find the contiguous subarray within an array
(containing at least one number) which has the largest sum. For example, given
the array [?2,1,?3,4,...
分类：
其他好文 时间：
2014-05-07 16:42:42
阅读次数：
287
一个用来分割字符串的函数：
strtok
char * strtok ( char * str, const char * delimiters );
Split string into tokens
A sequence of calls to this function split str into tokens, which are sequences of co...
分类：
其他好文 时间：
2014-05-07 16:18:12
阅读次数：
273
题目：
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a deep copy of the list.
思路：
主要是深层复制的问题：
本题比较简...
分类：
其他好文 时间：
2014-05-07 02:44:38
阅读次数：
344
For a given positive integer n, please find the smallest positive integer x that we can find an integer y such that y^2 = n +x^2.
Input
The first line is an integer T, which is the the...
分类：
其他好文 时间：
2014-05-06 19:21:10
阅读次数：
290
五一中间断了几天，开始继续。。。
1、
??
Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a...
分类：
其他好文 时间：
2014-05-06 18:54:59
阅读次数：
386
Your favorite football team is playing a charity tournament, which is part of a worldwide fundraising
e ort to help children with disabilities. As in a normal tournament, three points are awarded to ...
分类：
其他好文 时间：
2014-05-06 18:40:06
阅读次数：
337
