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# Issue the following Linux command: <b><code><span style="color:#3366CC;font-size:1.2em;">runlevel</span></code></b>
# You can use the '''init''' command to change the current run-level. See a list of runlevels [https://www.centos.org/docs/5/html/5.2/Installation_Guide/s2-init-boot-shutdown-rl.html here].
# Issue the '''init''' command to change the current run-level in '''centos1''' to '''3'''by issuing the following command:<br><b><code><span style="color:#3366CC;font-size:1. 2em;">init 3</span></code></b># What happeneddid you notice?# Issue the following Linux command: <b><code><span style="color:#3366CC;font-size:1.2em;">startx</span></code></b><br>What happens? Why would you want to make a graphical Linux system run in text-based mode?# Log-off your graphical system. You should return to your CLI shell prompt; therefore that command did not reset your run-level.# Reissue the '''init ''' command to change the current run-level back to '''5'''<br>Did it work? Why would you want # Issue the runlevel command to verify that the run-level is set to make '''5''' (i.e. Graphical). You should notice a '''3 followed by a graphical Linux system 5'''. That is to indicate that the '''current''' run in text-based mode?level is 5, but <u>previously</u>, it was set to 3.
'''Answer INVESTIGATION 2 observations / questions in your lab log book.'''
