Essay About Pic And Minix Operating System Answer

Minix Operating System Answer 1
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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 Woodhulls 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

[pic 10]Enter command “Setup” and select keyboard and DHCP if available.Follow the pictures.[pic 11][pic 12][pic 13][pic 14][pic 15][pic 16][pic 17][pic 18][pic 19][pic 20][pic 21][pic 22]The setup is complete. Reboot the Minix now. Type “Reboot” and press enter. The Minix will restart…[pic 23]Log in with root.[pic 24]Change your password for root.Type “Passwd” and press enter.[pic 25]Now set up and update pkgin for install software in Minix. Follow the pictures below and press enter.[pic 26]Reboot again and Log in with root and enjoy.[pic 27][pic 28]Requirement 2:Part 1:Add group…[pic 29]Add user in group…[pic 30][pic 31]Now embed it in system.[pic 32]Part 2:[pic 33][pic 34]Then press Ctrl+s and ‘y’. to save the file and exit.Type “cat filename “ to view the file.[pic 35]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.