diff --git a/xCAT-test/autotest/testcase/confignics/cases0 b/xCAT-test/autotest/testcase/confignics/cases0
index 05a9588fa..72669281a 100644
--- a/xCAT-test/autotest/testcase/confignics/cases0
+++ b/xCAT-test/autotest/testcase/confignics/cases0
@@ -10,12 +10,12 @@ cmd:xdsh $$CN ifconfig
 check:output=~100.1.0.100
 cmd:xdsh $$CN netstat -rn
 check:output=~100.1.0.0
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
 check:output=~100.1.0.100
 check:output!~dhcp
 cmd:rmdef -t network -o 100_1_0_0-255_255_0_0
 cmd:xdsh $$CN ifdown $$SECONDNIC
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN rm -rf /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi 
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN rm -rf /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi 
 end
 
 start:confignics_config_multiple_ports_single_value
@@ -36,18 +36,18 @@ check:output=~200.1.0.100
 cmd:xdsh $$CN netstat -rn
 check:output=~100.1.0.0
 check:output=~200.1.0.0
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
 check:output=~100.1.0.100
 check:output!~dhcp
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$THIRDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$THIRDNIC; fi
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN cat /etc/network/interfaces.d/$$THIRDNIC; else xdsh $$CN cat /etc/sysconfig/network*/ifcfg-$$THIRDNIC; fi
 check:output=~200.1.0.100
 check:output!~dhcp
 cmd:rmdef -t network -o 100_1_0_0-255_255_0_0
 cmd:rmdef -t network -o 200_1_0_0-255_255_0_0
 cmd:xdsh $$CN ifdown $$SECONDNIC
 cmd:xdsh $$CN ifdown $$THIRDNIC
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN rm -rf  /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
-cmd:if [ "$OS" = "ubuntu" ];then xdsh $$CN rm -rf  /etc/network/interfaces.d/$$THIRDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$THIRDNIC; fi
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN rm -rf  /etc/network/interfaces.d/$$SECONDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$SECONDNIC; fi
+cmd:if [ "$$OS" = "ubuntu" ];then xdsh $$CN rm -rf  /etc/network/interfaces.d/$$THIRDNIC; else xdsh $$CN rm -rf /etc/sysconfig/network*/ifcfg-$$THIRDNIC; fi
 end
 
 start:confignics_config_multiple_ports_multiple_value