Created attachment 196346 [details] Patch file generated with svn diff Hi, The _cksum file has been moved out from the BSD directory after a complete rewrite and is now located in the Unix directory: https://gitlab.com/zsh-org/zsh/commit/64ef1eddfd4fa79a0720945e189cf7c3a44bde9c Pending the next Zsh release, the attached patch file fixes the completion of checksum utilities now available in release 5.1.1.