In this topic, you will learn about, Differentiate between Internal command and External command in UNIX Operating System.
|Internal command||External command|
|Cat, by, ls, ls-lamb use internal commands.||PW, rm, talk, kill, cat, mudar, sort use as external commands.|
|The internal command uses pre-defined files install with UNIX.||The external command uses some additional files to specify the external command.|
|It is only used to display.||Its settings can be changed or modified|
|It supports she or bash shell scripting.||It supports corn and boron shell.|
|UNIX internal commands create shell Korn or boron shell programming which only work with programming.||create C, C++, java pearl UNIX OS.|
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