How to improve one's bash/command-line skills?
Unfortunately I come from the Windows world and quite a newbie to Linux. I see people who are really productive due to their skills with BASH. Any pointers, tutorials, bools or suggestions to improve one's command-line skills? Something like http://www.commandlinefu.com/.

How to improve one's bash/command-line skills?
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Unfortunately I come from the Windows world and quite a newbie to Linux. I see people who are really productive due to their skills with BASH. Any pointers, tutorials, bools or suggestions to improve one's command-line skills? Something like http://www.commandlinefu.com/.
