Remove 'inappropriate ioctl for device' warning
This only came up if I ran, for example
$ echo exit | iocsh
See https://unix.stackexchange.com/a/26782/445931. This assume bash, which is safe, and fixes the issue.
This only came up if I ran, for example
$ echo exit | iocsh
See https://unix.stackexchange.com/a/26782/445931. This assume bash, which is safe, and fixes the issue.