Like this? http://www.tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html
Or this: http://www.gnu.org/software/bash/manual/html_node/Bash-Conditional-Expressions.html
What other parameters do you want to know about? Along similar lines, bash internal variables - http://tldp.org/LDP/abs/html/internalvariables.html
You can find most (all?) of this in man bash
.