details of special functions

hi,
iam new of scripting.give him the need full information of specail character
functions like(!,~,`,@,#,$,%,^,&,**,*,(),<,>,.,?/) like
if [${1}- eq0]
if [${1}-ne0]
[! -r ${1}]

some help me

ok
byyyyy:

You need to spend a lot of time reading. You did not mention which shell you are using.
So, google for [youshellnamegoeshere] tutorial

example: korn shell tutorial