Terminal Command ls - list files pwd - path of working directory \q - quit exit - quit cp - copy mkdir - make directory mv 'file' 'location' - move file to the location open - open file cat - read/write file nano - text editor rm - remove vi - text editor Vi command :q - quit i - insert :w - write dw - delete word dd - delete line
Double-Shift : Search a file or class 'fori' + Enter : for-loop'sout' + Enter : System.out.println Ctrl + R : RunCmd + Click specific class or method : Going to implementation or declaration Cmd + N , Ctrl + Ener : Getter/Setter/Constructor/override auto-generated Cmd + Option + L : Format(align the code in a scope) Option + Enter : Import Ctrl + Option + O : Delete unused import Shift + Fn + F6..
MAC address stands for Media Access Control Address What's the difference between IP address and MAC address? MAC addresses are assigned at the time that hardware is manufactured and it is changeable, but It's generally used without any change. For this reason, MAC addresses are treated permanent address. Whereas, IP addresses are assigned as part of connecting to a network and It is easily chan..
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