Hello Hans, hello Eduardo! > On Sun, Jan 17, 2021 at 12:05 PM <h...@artax.karlin.mff.cuni.cz> wrote: > > (...) > > The nul byte is not echoed by $'\0'. > > This is expected. Bash uses NUL-byte terminated character sequences to > store strings, so it can't actually store NUL bytes themselves.
To be exact, this is already caused by a Unix Kernel - strings passed by the exex* system calls are null terminated, too. As it is the default in the C programming language. Thus you can't pass a null byte in an argument when invoking a program. Best regards Martin
