add a mini-faq about std{in,out,err}

This commit is contained in:
Mike Frysinger 2008-02-01 01:41:57 +00:00
parent 8c69afd992
commit c348e0bc7b

View File

@ -62,10 +62,12 @@ The special characters have the meaning:
* Run both after creating and before removing the device. * Run both after creating and before removing the device.
The command is executed via the system() function (which means you're giving a The command is executed via the system() function (which means you're giving a
command to the shell), so make sure you have a shell installed at /bin/sh. command to the shell), so make sure you have a shell installed at /bin/sh. You
should also keep in mind that the kernel executes hotplug helpers with stdin,
stdout, and stderr connected to /dev/null.
For your convenience, the shell env var $MDEV is set to the device name. So if For your convenience, the shell env var $MDEV is set to the device name. So if
the device 'hdc' was matched, MDEV would be set to "hdc". the device "hdc" was matched, MDEV would be set to "hdc".
---------- ----------
FIRMWARE FIRMWARE