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lang-bash
cron, but are you sure the same applies toat? The man page on my system says "The working directory, the environment (except for the variables BASH_VERSINFO, DISPLAY, EUID, GROUPS, SHELLOPTS, TERM, UID, and _) and the umask are retained from the time of invocation.". Also, why should the command be a bash script specifically, rather than the zsh script the OP is already using?bashbecause it's a simple answer, and is a valid login shell (is in/etc/shells). Substitute any shell you like. It's a canned answer that I reuse. These "cron,at,batch, questions are so prevalent that I got tired of rewriting the same explanation. I asked about canned answers on Meta AskUbuntu.