OpenGL (Open Graphics Library) is a standard specification defining a cross-language, cross-platform API for writing applications that produce 2D and 3D computer graphics. How can I test if my graphics card has OpenGL support under Linux?
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Question: I can use less or more pagers to view a file. How do I start an editor (such as vi or other text editor) to edit the current file without leaving the less or more pager?
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Q. I’m using CentOS on 64 bit Linux. How do I find out rpm package architecture before installation such as i386 or x86_64 bit? A. Almost each rpm package has i386 or x86_64 added to file extension. However some time you may see filename such as file-version.rpm. You can list all installed rpm packages with [...]
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Q. Can you tell me command to change login shell in Linux / UNIX operating system? A. You don’t have to edit /etc/passwd file to change your shell. You need to use chsh command. It changes the user login shell. This determines the name of the users initial login command. A normal user may only [...]
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