command line options

How do I add a user to group under Ubuntu Linux operating system using command line options?

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I‘m a new Linux user. How do I copy a directory or folder under Linux operating system using command line options and bash shell?

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How do I install whois client to see whois information about domain and ip address using command line options under Fedora / RHEL / Redhat / CentOS / Scientific Linux?

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How can I release an IP in Ubuntu Linux using command line options?

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How do I see my gnome desktop version using command line options?

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How do I mount a CD-ROM or DVD on Linux operating system using command line options?

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How can I look up IP addresses under UNIX or Linux operating systems using command line options?

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