Structure of JCL :
JCL consists of below fields –
1) Identification Field – It starts from column 1 and length is 2 bytes. Two forward slashes (//) starting form 1st column is name field.
2) Name field – Name field starts from column 3 and will be of 1 to 8 alphanumeric characters.
3)Operational field : It starts from column 12.
4)Parameters field : it starts after end of operational field followed by one or more than one space.