github.com/containers/podman/v5@v5.1.0-rc1/docs/source/markdown/options/preserve-fd.md (about)

     1  ####> This option file is used in:
     2  ####>   podman exec, run
     3  ####> If file is edited, make sure the changes
     4  ####> are applicable to all of those.
     5  #### **--preserve-fd**=*FD1[,FD2,...]*
     6  
     7  Pass down to the process the additional file descriptors specified in the comma separated list.  It can be specified multiple times.
     8  This option is only supported with the crun OCI runtime.  It might be a security risk to use this option with other OCI runtimes.
     9  
    10  (This option is not available with the remote Podman client, including Mac and Windows (excluding WSL2) machines)