Comparison of Operating Systems
(DOS, UNIX, Windows95, Windows NT, OS/2)
|
|
DOS |
UNIX |
WINDOWS 95 |
WINDOWS 98 |
WINDOWS NT |
OS/2 |
|
Hardware Requirement |
286 (or higher) processor 520k of RAM 10MB hard disk space |
CPU IBM RISC System/ 6000 or higher, Min of 16MB RAM 400 MB of hard disk space. |
486/25MHz-based system 8MB of RAM 40-45MB of hard disk space
|
486DX/66MHz (or higher processor) 16MB of memory 195MB hard disk space. |
Intel Pentium or faster 16-32 MB of RAM 110 MB of hard disk space |
Intel 386SX or higher 6MB of RAM 80MB of hard-disk space |
|
Software Costs |
Standard: $25 Upgrade: $10 Education: $20 |
User host (2 users) $595 |
Full-blown version: $189.00 Obtained From |
Full-blown version: $209 Upgrade: $109 |
Full-blown version: $300.00 Obtained From |
OS/2 Warp, new cust. $215 00 Obtained From |
|
File Systems |
FAT |
File-on-file mounting (FFM) for STREAM, Extended File Attributes |
FAT16 & FAT32 |
FAT32, FAT, VFAT |
FAT, NTFS |
HFS, NTFS |
|
Memory Mgmnt. |
4 segment registers of max size 64KB: Code Data Stack Extra seg. |
3 segment registers: Stack Data Stack |
RAM compression |
Registry Win Align Map Cache |
Virtual Memory system, Locking applic. in memory., memory Mapping. |
Treated as a Virtual Resource |
|
Network Connectivity |
Novell Advanced NetWare in combination w/ Optinet, CD-Net, SCSI Express, CD-Connection, LANtastic, LAN Manager |
LAN |
LAN connectivity Peer-to-peer Networking TCP/IP, IPX/SPX DLC and NetBEUI |
PPTP TCP/IP |
LAN connect-ivity Peer-to-peer network-ing TCP/IP, IPX/SPXDLC and NetBEUIMore Info |
Peer-to-peer LANtastic for OS/2, IBM TCP/IP, IBM Comm Manager/2 |
|
Processing Mode |
Single-tasking/ Single-User |
Single-tasking/ multi-user |
Multi-tasking/ single-user |
Multi-tasking/ single-user |
Multi-tasking/ single-user Obtained from |
Multi-tasking/ single-user Obtained from |