| hello
The changes made from 2.4 to 2.6 are mostly in cpu schedular. till 2.4 the kernel level process pre-emptive was not available and resulted in race condition. this is the most important change in the transition.
till 2.4 the development phase was 2 year i.e the odd number minor version (.5,.3 ) indicates unstable or testing kernel and they use to release in next even number stable 2.6 after 2.6 they changed the transition period from 2 years to 2 months. |