>I'd bet on GNU xargs being more likely to be installed than GNU Parallel. Your bet is irrelevant in the face of widely implemented standards. POSIX will outli

>I'd bet on GNU xargs being more likely to be installed than GNU Parallel. Your bet is irrelevant in the face of widely implemented standards. POSIX will outlive GNU coreutils. I'd bet your system also probably has a package manager that makes it easy to mark parallel as a dependency of your software. >many non-Linux systems Linux is pretty much the only system that typically ships GNU coreutils. The only one that comes to mind is Hurd.