On 2024-05-03 16:55, Lawrence Velázquez wrote:
> The sysread builtin is provided by the zsh/system module. You have
> to load the module and enable sysread before you can use it.
>
> 	zmodload -F zsh/system b:sysread
>
> This has already been done in the shell that works, either by you
> or some code you sourced.
Never did that knowingly, anyway that fixes it.  I'll keep an eye on 
when/what might be loading that module without my knowledge.