Minix Operating System Answer 1

Requirement 1: MINIX (from "mini-Unix") is a Unix-like computer operating system based on a microkernel architecture. MINIX 3 was publicly announced on 24 October 2005 by Andrew Tanenbaum during his keynote speech on top of the ACM Symposium Operating Systems Principles conference. Although it still serves as an example for the new edition of Tanenbaum and Woodhull's textbook, it is comprehensively redesigned to be "usable as a serious system on resource-limited and embedded computers and for applications requiring high reliability.

Here we explain the installation process of Minix 3 in VMware. First visit the http://www.minix3.orgto download the .iso file.

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Then download VMware from its official website. http://www.my.vmware.com

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Then install Vmware and open it.Select Player->New Virtual Machine

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Then follow the instruction in Pictures below.

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When VMware image creation is complete, Open the Minix in VMware.

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Select the option to open the Minix. Basically select 1.

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Log in with root .

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Enter command “Setup” and select keyboard and DHCP if available.Follow the pictures.

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The setup is complete. Reboot the Minix now. Type “Reboot” and press enter. The Minix will restart…

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Log in with root.

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Change your password for root.Type “Passwd” and press enter.

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Now set up and update pkgin for install software in Minix. Follow the pictures below and press enter.

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Reboot again and Log in with root and enjoy.

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Requirement 2:

• Part 1:

Add group…

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Add user in group…

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Now embed it in system.

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Part 2:

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Then press Ctrl+s and ‘y’. to save the file and exit.

Type “cat filename “ to view the file.

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Part 3:

 To change permission there is various method.

The owner of a file or directory can be changed using chmod command, which is stand for “change mood”.The permission variables are u,g,o,a meaning User,Group, Others, All of above and r,w,x.

We also can use bitmasks method with chmod.Each digit is the sum of three bits,with 4 representing read permission,2 representing write permission,1 representing execute permission.