command man

How do I see colored man pages with standard Unix or Linux less command without installing most paging program for Unix / Linux like oses?

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What is a tty under Linux / UNIX? How do I find out what tty I’m on?

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How do I kill all users session under Linux or UNIX operating system using command prompt?

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I am new to Debian Linux and bash shell command line. How do I delete or remove a directory using bash 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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I‘m dual booting my Windows XP system with OpenBSD. How do I mount an NTFS file system under OpenBSD operating systems?

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How do I convert Epoch seconds to the current time under UNIX or Linux operating systems?

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