http://www.unix.com – Hi all, Im a newbie to Unixshell script .Please explain me what this below shell script does and assistance with me a description Code: ################################ # CODE # ################################ if [[ $# -ne 4 ]] then echo "Usage: $(basename $0) \$SS_APPL \$SS_DB \$S_U_PATH \$SS_HOME_PATH" MESSAGE="Invalid number of input parameters" ERROR_CODE=1 else export CURR_YEAR=`date +%Y` export CURR_DATE=`date +%d%b%Y_%H%M%S` export (HowTos)