autocad basic commands list

: CalendarUsage: cal [Options] [[[Day] month] year]650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/7D/93/wKioL1brczuwauyNAAAUaQOep7s102.png "style=" float: none; "title=" 6.PNG "alt=" Wkiol1brczuwauynaaauaqoep7s102.png "/>650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/7D/96/wKiom1brcqyAkZl-AAAzTJXlw1s347.png "style=" float: none; "title=" 7.PNG "alt=" Wkiom1brcqyakzl-aaaztjxlw1s347.png "/>6, online documentation;Info Command: A detailed description of the origin of the com

the default attributes;-R: Recursive continuous replication, used for directory replication behavior;-S: Copy as a symbolic link file (symbolic link), i.e. "shortcut" files;-U: Update destination If destination is older than source!Finally, note that if the source file has more than two, then the last destination file must be "directory"!Cat command ParametersParameters:-N or--number the number of rows for all outputs starting from 1-B or--number-nonblank and-n similar, except for blank lines n

First, Ptree: View the file directory hierarchySecond, pgrep process name: can view process IDThird, Chkconfig--list: Check the service open status; Chkconfig--list |grep process Name: view the specified process;Chkconfig--level 2345 sshd on/OFF: Switch service at a specified level;Iv. Ps-aux: View all process status: Z: Represents the zombie process;V. Crontab-l: View timed Tasks; Crontab-e: Edit timed tas

with Ubuntu desktop and CENTOS6/7 environments Linux Knowledge related Linux thought map finishing Advanced Learning Resources finishing for Linux beginners Getting Started with Linux basics Understanding of the "translated" Linux conceptual architecture How to start the Linux daemon Memory mapping of Linux programming Linux Knowledge points Summary Share some information (Linux-focused) 10 White hat Hacker-specific Linux operating system Linux

-QL: Displays all directories installed on the current system for the specified package -QF: To see which package is installed by the specified file or directory Second, query the RPM package file for information (not installed) -qpi: View the name, version, license Agreement, purpose description of the specified package -QPL: View the installation directory, file list for the specified packageNote: The path to the two packa

Tags: file name needs blog Head Way files content nbsp RM-RF servemkdir xxx Create a folder named XXXLS View list of file names in the same directoryll see the details of the list of files in your directoryCD XXX To switch directories to a directory with the file name xxxPWD Displays the current directoryCd.. Back to the previous level of the current directoryRM-RF xxx Delete folder named xxxVI a.js or VIM

: 28017/web admin port: 280172. Basic commands for getting started with mongodb show dbs: display the Database List show collections: display the set in the current database (similar to the tables in the relational database) show users: display the user db. help (): displays database operation commands. There are many

Linux cainiao must also know several basic ubuntu commands 1: sudo should be one of the most common commands in linux, because you can temporarily obtain root permissions even if you are not a root user, for example, installing and uninstalling, changing the configuration of various services, and so on, remember that this 2: apt-get: apt is a software management

up the most recent command with a keyword+ left | Right cursor moves in Word units+ C undo to enter the command+ D Close the current environment+ SHIFT + t # #在现有shell中重新打开一个table+ SHIFT + pageup|pagedown Toggle Table+ ALT + L lock screen+ ALT + up | down switch Work interface+ ALT + F1|F7 into the graphical interface+ ALT + F2-f6 into Virtual ConsoleThis article is from the "12148275" blog, please be sure to keep this source http://12158275.blog.51cto.com/12148275/1896940Linux Learning Notes-

infoPathExample: SVN info test.php10.Compare differencesSVN diffPath (compares the modified file to the underlying version)Example: SVN diff test.phpSVN diff-R m:n Path (difference between version m and version N)Example: SVN diff-r 200:201 test.phpShorthand: SVN di11.Merging differences between two versions into the current fileSVN merge-rM:n PathFor example: SVN merge-r 200:205 test.php (the difference between version 200 and 205 is merged into the current file, but generally conflicts occur

execute the command. Q quit more.four, Linux user and user group related commands. first understand the configuration files related to users and user groups. 1,/etc/passwd: is the user-related system configuration file. Includes many items, from left to right as follows: user name: Cipher ciphertext: Uid:gid: Username full name: User's home directory: Shell type 2,/etc/shadow: Is/etc/passwd shadow file. This includes user and encrypted passwords and

Redis InstallationLinux under the Environment install Redis, I download here is 3.0.0 version (currently the latest 3.2.0).wget http://download.redis.io/releases/redis-3.0.0.tar.gztar xzf redis- 3.0. 0. Tar . gz$ CD Redis-3.0. 0 makeSo Redis is installed, and then you start Redis:$ src/redis-serverTo connect Redis with a client tool that comes with you, reopen a window, enter into the redis-3.0.0 directory, enter:$ src/redis-cliSeeing the message means the connection is successful.Redis Operati

and switch to Dev branchGit branch view all current branchesGit checkout master switches back to the master branchgit merge dev branches on the current branchgit branch–d dev Delete Dev branchGIT branch name to create a branchGit stash to hide the current job and resume work after resuming the site.Git stash list view all hidden file listsGit stash apply to recover hidden files, but the content is not deletedgit Stash Drop Delete fileGit stash pop re

directory or file-C: Create a new document-X: Extracting archive files-F: Using an archive file-Z: Unzip with gzip-V: Details output modePackage: TAR–CVF Filename.tar fileDecompression: TAR–XVF Filename.tar4. Process commandsPS shows the dynamics of the instantaneous process-aux: Show all processes that contain other users-EF: Show all processes and show relationships between different processesExample: Ps-ef | grep httpd viewing process information for httpdPs-aux View All ProcessesKill termin

The/etc/passwd file contains a list of all system user accounts and basic configuration information for each userUser name: Password: uid:gid: User's full name: User's default working directory: User Default shell programBy default, the bash shell automatically processes commands in the. bashrc file under the user's home directory when it starts.It often sets the

We have a Linux VPS command to manage him, let's list some basic and simple Linux commands1.lsLS/view root directoryLs-a/View the files you want in the root directory, including hidden filesLs-l/Detailed information about the permissions of files in the directory, owner file size, etc., can be simply entered | |Ls-f/list file name and its directory type; * indica

] Desktop]# ls-l/optShutdown: Poweroff[Email protected] ~]# PoweroffRestart: reboot[email protected] ~]# rebootAdd:Fill key: Tab[[email protected] ~]# IFCO (tab)[[Email protected] ~]# if (two tabs in a row)# Cat/et (tab)/red (tab)-R (tab)# Ls/et (tab)/sysco (tab)/NETW (tab)-(tab)/IFC (tab)-E (tab)View Text file contentsCat: Small FileLess: Large files Press Q to exitView text File part contentHead-3/etc/passwd #显示头多少行Tail-4/etc/passwd #显示尾多少行head-12/etc/passwdTail-6/etc/passwdLESS/ETC/PASSWD #按键

; DEL bar tip:The parameters of the DEL command do not support wildcards , but we can combine the Linux pipeline and the Xargs command to remove all the rules that match the key. For example, to delete all the keys that start with "User:", you can execute redis-cli keys "user:*" | xargs redis-cli DEL. In addition, because the DEL command supports multiple keys as parameters, it is also possible to execute redis-cli DEL ' redis-cli keys "user:*" to achieve the same effect, but with better perform

the details and increases the total value of the summaryDu-ach--max-depth = 1/opt--------Network configuration-related commandsIfconfig.View network ConfigurationHow to modify IPGraphical operationsCommand-line mode Vi/etc/sysconfig/network-scripts/ifcfg-eth0Refresh Network SettingsService Network restart---------Process-related30.psPS is the process that shows the current state in running, and grep means searching in these, and PS aux is showing all processes and their status.Ps-aux | grep xxx

Basic SQL * Plus reports and commands 1. remark indicates the behavior comment 2. ttitle: Set the top title of the report www.2cto.com 3. btitle: Set the title at the bottom of the Report. 4. spool imports the on-screen reports to a file. save the SQL statement used to save the buffer to a file: save sqlfile. sqlsave sqlfile. replace SQL rep with save sqlfile. SQL app append