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www:documentation:improvements [2014/11/19 12:04] (current)
lionelsambuc created
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 +MINIX 3 has many improvements over MINIX 2, too many to list. We will just list a few of them here.
  
 +===== New Features =====
 +
 +  * Installation (based on a live CD) is much simpler
 +  * X Window System
 +  * Memory sizes up to 4 GB are supported
 +  * Disk blocks can be 1-, 2-, 4-, or 8-KB
 +  * The select system call has been added
 +  * Many new programs including gcc, g++, emacs, nvi, vim, bison, python, perl, GNU utilities
 +  * An information server has been added for debugging and other purposes
 +  * A reincarnation server automatically kills and replaces faulty device drivers on the fly
 +
 +===== Better System structure =====
 +
 +  * The kernel has been heavily rewritten, cleaned up, and reduced to under 4000 lines of code
 +  * Each device driver (except the clock) is now a separate user process
 +  * Many new [[.:​reliability|reliability]] features have been added
 +  * A new nonblocking notification mechanism for IPC has been added
 +  * Timer management has been improved and simplified
 +  * Scheduling has been made more general
 +  * A bit map controls which destinations a process can send to
 +  * A bit map controls which kernel calls drivers and servers can make
 +  * Control of '​superuser-like'​ powers for kernel calls have been modularized
 +  * Interrupt notification and messages have been integrated
www/documentation/improvements.txt · Last modified: 2014/11/19 12:04 by lionelsambuc