I believe that friends who have used Linux will not be unfamiliar with vi. It is the most common full-screen editor in Linux. However, we generally use
Microsoft products were first introduced to users, and the methods for using edit in DOS and
Better with snprintf ()Int num;Char numstr [6];Bzero (numstr, 6 );Snprintf (numstr, 5, "% d", num );Note that the space of the string must be sufficient to accommodate this number.
In Windows
Function Name: atoiFunction: converts a string
Find a tool tree on the Internet that can display files step by step. The display effect is as follows:
Idcard/
| -- Areadb.1st
| -- Areadb.2nd
'-- Idcard. Sh
0 directories, 3 files
Command details:
-A: displays all files and directories.
-A uses
execute scheduled tasks Syntax: crontab [-u user name] [set file] crontab [-u user name] [-ELR] Note: cron is a Program . It provides the timer function, allowing you to execute default commands or programs at a specific time. you can
1,First download from the official websiteJdk1.6AndTomcat6
JDK:Http://download.java.net/jdk6/
Tomcat6:Http://tomcat.apache.org/download-60.cgi
As the server is far away from the data center, I am in the company. If you
1. What is encoding?
About the definition of encoding, we can view the Baidu General http://baike.baidu.com/view/237708.htm
You can also refer to: http://www.cnblogs.com/cocowool/archive/2009/04/25/1443529.html
2. Encoding problems frequently
Cron is a [daemonProgram] Is used to execute a travel task within a specified time period. each user has a crontab file to allow them to specify the content and time to be executed. In addition, the system also has a crontab, allows tasks with rules
All emails received by the system are saved in the "/var/spool/mail/[Linux User Name]" file.In Linux, enter mail to go To the inbox and display the list of 20 emails.The command prompt is "&"
Unread mark as unread mailH | headers: displays the
Cause: Hyper-V virtual machine is not installed on the integrated service components supported by Linux virtualization technology. Solution:Prerequisites: In Linux, ensure that software packages such as GCC, make, kernel-devel, and adjtimex
Directory: http://www.cnblogs.com/WuCountry/archive/2008/11/15/1333960.html
Chapter 2. Critical data structures important data structures
A few key data structures are referenced throughout the Linux networking code. both when reading this book
Linuxhaxor.net lists 68 free Linux e-books. Very good. The only question is whether you have the enthusiasm and perseverance to read these books :)
The complete list is as follows:
Advanced Linux programming by codesourcery LLC
Here I have to recommend a book: Linux + from + scratch (CN). CHM
Can be downloaded from csdn!
My rehearsal process:1. The best way to configure the development environment is VMware (RedHat );2. Refer to the instructions in LFS to compile one
Type COMMANDDescription
Type COMMANDDisplays the type of the specified command. A command can be of the following type:
Alias aliasKeyword keywords, shell Reserved WordsFunction, shell functionBuiltin built-in commands and shell built-in
1. You can download the vncserver package from the official VNC website. Http://www.realvnc.com/The downloaded package is vnc-4_1-x86_linux_assist.tar.gz.
2. Unpack and install VNC.# Tar zxvf vnc-4_1-x86_linux_1_.tar.gz# Cd
Name: PSPermission: All UsersUsage: PS [Options] [-- help]Views: displays the dynamics of the instantaneous process.Parameters:There are many PS parameters. Only a few common parameters are listed here and their meanings are briefly described.-A:
I. Common usage examples of find in Linux
· Find path-Option [-print] [-Exec-OK command] {}\; #-Print: output the searched files to the standard output#-Exec command {}\; ----- execute the command operation on the retrieved file. There is a space
Both halt, reboot, and init can be used to shut down and restart a command. However, the internal working process of each command is different. We will introduce them one by one.
1. Shutdown
The shutdown command is used to safely shut down the
Open the terminal, run the su command to switch to the root permission, and use vi to open the "grub. conf" file (vi/etc/grub. conf). The content is as follows:
Code highlighting produced by Actipro CodeHighlighter
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