5. ´ëÈ­¸ðµå

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	[root@localhost /root]# test="hello world"
	[root@localhost /root]# echo $test
	hello world
		
¾Æ·¡´Â Á»´õ º¹ÀâÇÑ ¿¹Á¦ÀÌ´Ù.
	[root@localhost /root]# if [ "$SHELL" = "/bin/bash" ]
	> then 
	> echo "your login shell is the bash (bourne again shell)"
	> else
	> echo "your login shell is not bash but $SHELL"
	> fi
	your login shell is the bash (bourne again shell)