There is plenty of info I thought? The platform is z/os and JCL is basically what you need to learn aside from assembly, cobol,etc... https://www.ibm.com/docs/

There is plenty of info I thought? The platform is z/os and JCL is basically what you need to learn aside from assembly, cobol,etc... https://www.ibm.com/docs/en/zos-basic-skills?topic=sdsf-what-is-jcl https://www.ibm.com/docs/en/zos-basic-skills?topic=sdsf-what... https://www.ibm.com/docs/en/zos-basic-skills?topic=zos-assembler-language https://www.ibm.com/docs/en/zos-basic-skills?topic=zos-assem...