Explain the different types of permissions

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1). Please explain the Standard file permissions in the Linux. And also explain the different types of permissions. (Elaborate your Answers with examples and also run commands in the Linux machine).

2). Why chgrp & chown are used? How to set Permissions using chmod? (Give examples by running commands in the linux machine).

3). what is octal permission and how it is set. What is unmask command and why it is used.

4). I). With chmod, is 770 the same as rwxrwx--- ?

II). With chmod, is 664 the same as r-xr-xr-- ?

III). With chmod, is 400 the same as r--------?

VI). With chmod, is 734 the same as rwxr-xr-- ?

Reference no: EM131312663

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