What is $1 and $2 in below UNIX script?ROOTDIR=/infadata/INFA_SHARED/EDM/MPAInbound_PATH=/infadata/INFA_SHARED/EDM/MPA/FTP/InBoundSrc_File_PATH=$ROOTDIR/SrcLOGFILE_PATH=$ROOTDIR/LogCURRENT_DATE_TIME=`date +%Y%m%d`_`date +%H%M%S`LOGFILE=$LOGFILE_PATH/Log_MPA_indirect_file_gen_$CURRENT_DATE_TIME.txtINDIRECT_FILE=$Src_File_PATH/$1Source_FILE=$2
Unix Script Explaination
shell;scripting