gnu linux

How do I find out what compilers are installed under Debian / Ubuntu / Red hat Enterprise / CentOS Linux operating systems? How do I list all available compiler packages under Linux?

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How do I install TrueType fonts under Debian GNU/Linux desktop operating systems?

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Debian 6.0 “Squeeze” has been released and how do I upgrade to Debian GNU/Linux 6.0 from the previous release, Debian GNU/Linux 5.0 (“Lenny”) using command prompt?

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I need to get a list of sizes in human readable du output format. How do I get the output for du command in GB under Linux or UNIX operating systems?

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How do I find Unix version and release number using command line options? What version, release, and maintenance level of Unix is running on my system?

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What command I need to type to display Linux kernel version and other information such as Linux distribution name? How do I check Linux kernel version number?

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Q. I’m new to GNU/Linux world and a single query (apt-cache search office or yum search ‘office’) shows so many application for a single task such as network monitoring or office applications. The number of apps choices just confusing. How do you select application from so many choices?

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