Nov 05 2007
RedHat CheatSheet
This is a good table that tells you the differences between all the redhat versions.
good for job interviews.
Red Hat Enterprise Linux
Server Version comparison chart
| Version 3 | Version 4 | Version 5 | ||||
|---|---|---|---|---|---|---|
| AS | ES | AS | ES | Advanced Platform | base server | |
| Server Architecture support | ||||||
| x86, AMD64, Intel64, Itanium2 | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM POWER | Yes | No | Yes | No | Yes | Yes |
| *Note: For IBM zSeries and S/390 information please refer to the mainfame page | ||||||
| Server Support limits as defined by Red Hat Enterprise Linux Product Subscription | ||||||
| Maximum physical CPUs/sockets [1] | Unlimited | 2 | Unlimited | 2 | Unlimited | 2 |
| Maximum memory | Unlimited | 8GB | Unlimited | 16GB | Unlimited | Unlimited |
| Maximum virtualized guests/instances | N/A | N/A | N/A | N/A | Unlimited | 4 |
| Storage virtualization (with Red Hat GFS and Cluster Suite) | N/A | N/A | N/A | N/A | Yes | No |
| Included Red Hat Network modules | Update Module | Update Module | Update Module | Update Module | Update Module | Update Module |
Desktop Version comparison chart
| Version 3 | Version 4 | Version 5 | |||||
|---|---|---|---|---|---|---|---|
| WS | Desktop | WS | Desktop | Desktop | Desktop with Workstation option |
Desktop with Multi OS option |
|
| Desktop Architecture support | |||||||
| X86, AMD64, Intel64 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Itanium2 | Yes | No | Yes | No | No | No | No |
| Desktop Support limits as defined by Red Hat Enterprise Linux Product Subscription | |||||||
| Maximum physical CPUs/sockets [1] | 2 | 1 | 2 | 1 | 1 | 2 | 1 |
| Maximum memory | Unlimited | 4GB | Unlimited | 4GB | 4GB | Unlimited | 4GB |
| Maximum virtualized guests/instances | N/A | N/A | N/A | N/A | N/A | N/A | 4 |
| Storage virtualization (with Red Hat GFS and Cluster Suite) | N/A | N/A | N/A | N/A | No | No | No |
| Included Red Hat Network modules | Update Module | Update Module | Update Module | Update Module | Update, Management, & Provisioning modules | ||
Technology capabilities and limits (certified[/theoretical]) [3]
| Version 3 | Version 4 | Version 5 | |
|---|---|---|---|
| Maximum logical CPUs [4] | |||
| x86 | 16 | 32 | 32 |
| Itanium2 | 8 | 64/512 | 64/1024 |
| AMD64/Intel64 | 8 | 64/64 | 64/255 |
| Power | 8 | 64/128 | 128/128 |
| zSeries | 8 | 8 | 8/64 |
| Maximum memory | |||
| X86 | 64GB [5] | 64GB [5] | 16GB [6] |
| Itanium2 | 128GB | 256GB/1024TB | 1TB/1024TB |
| AMD64/Intel64 | 128GB | 256GB/1TB | 256GB/1TB |
| Power | 64GB | 128GB/1TB | 512GB/1TB |
| zSeries | 64GB | 64GB | 64GB |
| Maximum filesize (Ext3) | 2TB | 2TB | 2TB |
| Maximum filesystem size (Ext3) | 2TB | 8TB | 8TB/16TB |
| Maximum filesize (GFS) | 2TB | 16TB/8EB | 16TB/8EB [7] |
| Maximum filesystem size (GFS) | 2TB | 16TB/8EB | 16TB/8EB [7] |
| Maximum x86 per-process virtual address space | Approx 4GB | Approx 4GB | Approx 3GB [6] |
| Required minimums | |||
| X86 | 256MB | 256MB | 512MB |
| AMD64/Intel64 | 256MB | 256MB | 512MB |
| Itanium2 | 512MB | 512MB | 512MB |
| Power | 512MB | 512MB | 1GB minimum/ 2GB recommended |
| Minimum diskspace | 800MB | 800MB | 1GB |
| Kernel and OS features | |||
| Kernel foundation | Linux 2.4.21 | Linux 2.6.9 | Linux 2.6.18 |
| Compiler/toolchain | GCC 3.2 | GCC 3.4 | GCC 4.1 |
| Languages supported | 10 | 15 | 19 |
| NIAP/CC certified | Yes - 3+ | Yes - 4+ | Yes - 4+ |
| Compatibility libraries | V2.1 | V2.1 and V3 | V3 and V4 |
| Common Operating Environment (COE) compliant | Yes | Yes | N/A |
| LSB compliant | Yes - 1.3 | Yes -3 | Yes -3.1 |
| GB18030 | No | Yes | Yes |
| Client environment | |||
| Desktop GUI | Gnome 2.2 | Gnome 2.8 | Gnome 2.16 |
| Graphics | XFree86 | X.org | X.org 7.1.1 |
| OpenOffice | V1.1 | V1.1.2 | V2.0.4 |
| Ximian Evolution | V1.4 | V2.0 | V2.8.0 |
| Default browser | Mozilla | Firefox | Firefox 1.5 |