It may have taken some inspiration ...I think it's more than just "some inspiration". For one, there's direct support (in the form of language built-ins) for a multitude of Unix system calls/commands, such as fork, exec, wait, select, kill, lstat, symlink, chmod, chown, getpwnam, etc. - only to name a few.
The docs even clearly state Perl's Unix heritage:
"Perl was born in Unix and can therefore access all common Unix system calls. (...)"