[ For OS X Users... ]
First, enable US, US Extended, and Unicode Hex Input through the Input Menu tab of the International pane within System Preferences:

Now you can just hold down the ⌥ key from within any text-entry field and type the 4-character unicode designations for the following characters:
⇧ – 21E7
⌥ – 2325
⌘ – 2138
⌃ – 2303
⌫ – 2328
– F8FF or ⌥⇧K
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tcpdump Tutoriallsof Introductiongit Primerfind Command lsof Commandtar Referencelsof TutorialDaniel Miessler | 1999-2012 | Share Alike
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