Numeric comparision in shell script

eq - equal:
     var1 -eq var2
     var1 equal to var2

ne - not equal:
     var1 -ne var2
     var1 not equal to var2

gt - greater :
    var1 -gt var2
    var1 greater than var2


ge - greater than or equal:
   var1 -ge var2
   var1 greater than or equal to var2

lt - lesser:
   var1 -lt var2
   var1 less than var2

le - less than or equal:
   var1 -le var2
   var1 less than or equal to var2