INPUTOUTPUT AND STORAGE DEVICES
STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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File Permissions
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Journaling
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Drive
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Partitioning
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Detailed explanation-1: -chmod is a command in Linux and other Unix-like operating systems that allows to change the permissions (or access mode) of a file or directory.
Detailed explanation-2: -To remove world read permission from a file you would type chmod o-r [filename]. To remove group read and execute permission while adding the same permission to world you would type chmod g-rx, o+rx [filename]. To remove all permissions for group and world you would type chmod go= [filename].
Detailed explanation-3: -The chmod command enables you to change the permissions on a file. You must be superuser or the owner of a file or directory to change its permissions.
Detailed explanation-4: -To change file and directory permissions, use the command chmod (change mode). The owner of a file can change the permissions for user ( u ), group ( g ), or others ( o ) by adding ( + ) or subtracting (-) the read, write, and execute permissions.