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1. Setting up a dynamic library path the Linux downgrade is not the same as Windows. Linux executables rely on the configuration file to read the path, so there are some times need to set the path specific operations as follows export
Environment Variables
Environment variables (environment variables) are typically used in the operating system to specify the operating system environment of some parameters, such as: temporary folder location and System folder location. An
After installing JDK, do you find that there are many EXE files in the bin folder of the installation directory?
The following describes the usage of different EXE files.
Javac: Java compiler, which replaces Java source code with byte generationJava:
Run programs & Run command assist Options Access.cplAdd Hardware Wizard Hdwwiz.cplAdd or Remove Programs appwiz.cplManagement Tools Control AdminToolsAutomatic Update w pl.cpl bltooth File Transfer Wizard FsquirtCalculator CalcCertificate Management
the difference between the VI and Emacs
VI
Emacs
Shortcut key command
VI determines a command by recording a key sequence to form a path in the decision tree.
Emacs executes the command immediately by
The use of their own computer found some skills, methods sent up to share, so that beginners less detours, Master mutual encouragement
1. What to do if the display desktop in the taskbar is lost?
Easy way::
Notepad new
#OS模块#os模块就是对操作系统进行操作, the module must be imported first: Import OS#GETCWD () Gets the current working directory (the current working directory is the folder where the current file is located) result = OS.GETCWD () print (Result) # ChDir () Change
#OS Module#The OS module is the operation of the operating system, which must first be imported into the module:ImportOS#GETCWD () Gets the current working directory (the current working directory is the folder in which the current file is located
Linux Installation and Learning installation sectionSince it was the first time I had knowledge of the virtual machine, I didn't know much about it, so I chose to follow the teacher's tutorial to install the VBox virtual machine completely.The
OS environment variables. bash_profile and bashrcbashshell are objects with specific names. they contain information that one or more applications will use. For example, if you want the system to run a program without telling it the complete path...
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