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init

summary

����This subchapter looks at init, a Linux command.

����init is used to change the runlevel.

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init

����This subchapter looks at init, a Linux command.

����init is used to change the runlevel.

run levels

����Linux has run levels (sometimes written as a single word, runlevel). The non-graphic mode is run level 3. the graphic mode is run level 5. Sometimes a Linux server will only boot up to the non-graphic level. You can use this command to temporarily get the graphic interface running (run level 5).

����$ init 5

����Edit the /etc/inittab file to include id:5:initdefault: to make a permanent change.

����A chart of the Linux run levels:

RUN LEVEL	����DESCRIPTION
0	����System is halted
1	����Single-user Mode ����used for system maintenance
2	����Multiuser mode withut networking ����rarely used
3	����Standard multiuser mode with networking active
4	����not defined
5	����Multiuser mode with graphics ����Like standard multiuser mode with networking active plus the X Window System graphic interface
6	����Reboots the system ����shuts down all system services

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