Thursday, November 13, 2008

Run-levels in AIX

Run-level Description

0-1 Reserved for the future use of operating system.

2 Contains all of the terminal process and daemons that are run in the multiuser environment. This is the default run-level.

3-9 Can be defined according to the user-preferences.

a,b,c,h These are not true run levels; they differ from run levels in that the init command cannot request the entire system to enter these run-levels.

S,s,M,m Maintainance mode. When the system enters maintainance made from another run-level, only the system console is used as the terminal.

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