You can redefine MAX_ARG_STRLEN and recompile the kernel. Or use a machine with a larger page size, as its defined as 32 pages, eg RHEL provides a 64k pagesize

You can redefine MAX_ARG_STRLEN and recompile the kernel. Or use a machine with a larger page size, as its defined as 32 pages, eg RHEL provides a 64k pagesize Arm kernel. But using a pipe to move things between processes not the command buffer is easier...