gw basic commands

1. Xargs Usage Detailed because many commands do not support | Piping to pass parameters, and there is a need in daily work, there is a xargs command, such as: find/sbin-perm +700 |ls-l This command is wrong. find/sbin-perm +700 |xargs ls-l This is the right thing to do. 2.tar Decompression Command Detailed-C: Set up compressed Files -X: Decompression-T: viewing content-R: Appending files to the end of a compressed archive-U: Updating files in orig

://blog.csdn.net/guoguo1980/archive/2008/03/11/2167523.aspx 10. fdisk and cfdisk view hard disk partition information. Answer: sudo fdisk-l Sudo cfdisk You can also use the DF command to view the usage of each partition. 11. How do I view the processes that occupy a large amount of CPU in the system? A: Top commands 12. How to forcibly kill unwanted processes in the system. A: first use the top or ps command to find the PID of the process we want t

Section II Basic commands Uname–r Query the Linux core version. The file name of the device and device within Linux IDE HDD/dev/hd[a-d]SCSI/SATA/USB HDD/dev/sd[a-p]USB Flash Disc/dev/sd[a-p]Floppy disk drive/dev/fd[0-1]Printer 25-pin:/dev/lp[0-2]USB:/DEV/USB/LP[0-15]Mouse Usb:/dev/usb/mouse[0-15]Ps2:/dev/psauxCurrent Cdrom/dvdrom/dev/cdromThe current mouse/dev/mouseTape drive Ide

add 172.20.0.0 netmask 255.255.0.0 GW in the static routing table of the current network 192.168.182.2 Dev eth0 command. Netstat: This command is included in the Net-tools software package to display the status of the current network in the system, including network connections, routing tables, interface statistics, maximum packet transmission units, and so on. To display the required information, you must explicitly give the second parameter of Nets

"style=" Float:none; "title=" 20.png "alt=" Wkiom1eu1dobqkgxaabdd7otcqa206.png-wh_50 "/>12. Select the system form you want to install. In order: Desktop system, minimized desktop system, minimal installation, basic service installation, database server, Web server, virtual host ... Choose a desktop installation here. After clicking Finish, the system will start to install, after the installation is completed, click on the reboot reboot to use.650) t

emp where job= ' job ';2.editDescription: The command can edit the specified SQL scriptCase: Sql>edit D:\a.sql3.spoolNote: This command can output the contents of the Sql*plus screen to the specified file.Spool D:\b.sql and enter spool offDisplaying and setting environment variablesOverview: Can be used to control the output of various formats, set show if you want to permanently save the relevant settings, you can go to modify the Glogin.sql script1.linesizeDescription: Sets the width of the d

Gui:graphic User Interface GUIWindows:windowsLinux:gnome,kdeCli:command lines Interface Command line interfaceDOS, MSDOSLinux:bash, Ksh, csh ...Operating system structure diagram (continue to supplement)650) this.width=650; "Src=" http://www.eeworld.com.cn/uploadfile/mcu/uploadfile/201304/20130409063613349.jpg " Width= "292" height= "205" alt= "20130409063613349.jpg"/>IDE: Integrated development environment VS2010, VS2012 ...Api:application program Interfacefunction libraryWindows: *.dll dynamic

#------------------------# View Server Information#------------------------ 1. view the version and KernelCat/etc/issue 2. View cpu, memGrep "model name"/proc/cpuinfoGrep MemTotal/proc/meminfoFree 3. The number of memory slots, the number of slots used, the size of each memory, and the size of memory usedDmidecode | grep-P-A 5 "Memorys + Device" | grep Size | grep-v Range Size: 2048 MBSize: No Module InstalledSize: No Module InstalledSize: No Module Installed 4. Maximum memory capacity supported

# ------------------------ # View server information # ---------------------- 1. view the version, kernel cat/etc/issue2. view cpu, memgrep "modelname"/proc/cpuinfogrepMemTotal/proc/meminf #------------------------# View server information#------------------------ 1. view the version and kernelCat/etc/issue 2. View cpu, memGrep "model name"/proc/cpuinfoGrep MemTotal/proc/meminfoFree 3. the number of memory slots, the number of slots used, the size of each memory, and the size of memory usedDmide

to be corrected after R. R: Enter the retrieval and replacement status. The new text will overwrite the original text until you press [ESC] to return to the command mode. S: Delete the cursor character and enter the input mode. S: Delete the column where the cursor is located and enter the input mode. Actually, there is no such trouble on PC! Both input and edit operations can be completed in input mode. For example, to delete a character, directly Press [Delete. However, the insert and replace

Git is a distributed version Control tool, this article starts with the introduction of Git, focusing on the basic commands and use of git, let you try to use Git at the same time, experience the original version control tool can have so much impact on development, the article is divided into two parts, The first part introduces some of Git's common commands, int

10 basic Linux commands that should be remembered by new Linux beginners Linux has a huge impact on our lives. At least, your Android phone has a Linux kernel. However, starting Linux for the first time will only make you feel uncomfortable. In Linux, you should usually use terminal commands instead of just clicking the starter image (as you do on Windows ). But

2017-10-10linux Basics (6) Basic commandsIn the previous chapter, we mainly introduced some basic Linux command and command line interface format, in Linux, the command is necessary to master some basic commands, in the future shell script, we also use these commands to hand

Enter your username and password. of course, enter root to obtain all management permissions! You really want to see the pretty graphic interfaces immediately, but maybe I want to disappoint you. Before using the graphic interface, I suggest you master the basic Linux life first. Enter your username and password. of course, enter root to obtain all management permissions! You really want to see the pretty graphic interfaces immediately, but maybe I wa

Basic Linux Network commands, you deserveGuideAmbitious Linux system administrators and Linux enthusiasts must know the most important and basic collection of Linux Network commands. In It's FOSS, we don't talk about Linux's "command line" every day ". Basically, I focus more on Linux desktops. However, some of your re

of the path and the end of the path):Command DirName (remove the directory name from the path)Note: If you are using a relative path, use the absolute path if you are not on the way.Naming format for files:In the file system, based on the file name reference files, according to the name to access, in the file system, the filename has a series of provisions1. The file name cannot contain a "/" Slash, "/" can represent the root file system, or "/" can also represent the path delimiter.2. The file

Linux has a big impact on our lives. At the very least, your Android phone has a Linux kernel on it. However, starting Linux for the first time will only make you feel uncomfortable. Because on Linux, you should usually use terminal commands instead of just clicking on the launcher image (just like you do on Windows). But don't worry, the 10 basic Linux commands

Linux basic commands1. What is the symbolic representation of the absolute path? What is the current directory and top level directory used for? What does the home directory say? What are the commands for switching directories?2. How do I view the current process? How do I exit? How do I view the current path?3. How to clear the screen? How do I exit the current command? How do I sleep? How do I view the cu

First, we will introduce the term "console", which is a commonly seen man-machine interface using character operation interfaces, such as DOS. The console command is a command that can be run on the operating system through the character interface. For example, the doscommand is a console command. What we need to know now is the basic Console Commands based on the Linux operating system. Note that, unlike t

command sets the system time to coincide with the school time server: [[emailprotected] root]# ntpdate stdtime.microsoft.com← and Microsoft School. Then execute the date command again to find that the system time has changed. But it's not over yet. It is also necessary to execute the clock–w command to write the changed time to the computer's CMOS so that the changed time is not used at the next boot. The example is as follows: [[emailprotected] root]# clock–w Common