Operating System
Section 5
TA: Eng. Ruba Hesham
TA: Eng. Abdelrahman Mohsen
Working With
Commands
Working With Commands
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Identifying Commands
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type – Display A Command's Type
which – Display An Executable's Location
which – Display An Executable's Location
Getting A Command's Documentation
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help – Get Help
For Shell Builtins
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--help – Display Usage Information
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man – Display A Program's Manual Page
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Man Page Organization
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Man Page Organization
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apropos – Display Appropriate Commands
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whatis – Display A Very Brief Description Of A Command
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info – Display A Program's Info Entry
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info – Display A Program's Info Entry
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Command Action
? Display command help
PgUp or Backspace Display previous page
PgDn or Space Display next page
n Next - Display the next node
p Previous - Display the previous node
u Up - Display the parent node of the currently displayed node, usually a menu.
Enter Follow the hyperlink at the cursor location
q Quit
Creating Your Own Commands With alias
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Creating Your Own Commands With alias
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Creating Your Own Commands With alias
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Creating Your Own Commands With alias
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Any Questions?