/etc/init.d/….. Script file which contains all init levels
Init levels :
Have Seen the SPARC machine (Really an Un believable Performance )
SPARC machine which has super concept called Ok Prompt
with out booting to Os we can able to control some of Admin activity…which really admire me……
ok> boot –S
Ok prompt not available in Intel X86 machine…
while working in SPARC Machine an special type of keyboard with extra 16 keys …Specially designed
Stop + A ——->which enter into ok prompt with Single User Mode…….
Mostly the key disable while running in SPARC machine For Security reasons ….
To Disable :
bash>kbd –a disable
where
kbd——>keyboard Input Devices
Disable and Enable are options….
(BOTH FOR SPARC AND INTEL X86)
SPARC-Scalable Processor architecture (RISC)
init 0——————> Hardware Maintenance Mode……. (Any hardware changes all are hot plug able devices)
init 1——————> Single User Mode
init 2——————> Multiuser Mode(without NFS file system)
init 3——————> Multiuser Mode (with NFS File system)
init 4——————> N/A (Feature use)
init 5—————–> Shutdown the machine..
init 6——————> Reboot the machine..
init S——————> All Administrative Repairs with highly Admin commands
