Re: Re: Menu on bootup?
Bruce Clement <[email protected]> Mon, 17 Oct 2011 20:28:08 +1300
| Newsgroups | gmane.org.user-groups.linux.new-zealand.general |
|---|---|
| Message-ID | <CAAPkoP=7mWckoBy4z3jpwvdS3MStWFhk0s2PeJxyRPe3kyrGPQ@mail.gmail.com> |
On Mon, Oct 17, 2011 at 8:04 PM, Nevyn <[email protected]> wrote: > > exec </dev/console >/dev/console 2>&1 > [...] > > I've never really understood file > descriptors. Is anyone able to explain that first line to me? > "2>&1" = close file descriptor 2 & make it an alias of file descriptor 1 Which doesn't really help unless you know that 2 is STDERR (Standard Error stream) and 1 is STDOUT (Standard Output stream) So this just says send error messages to the output stream, not to the console (Unless the console happens to be the destination of the output stream). HTH -- Bruce Clement Home: http://www.clement.co.nz/ Twitter: http://twitter.com/Bruce_Clement Directory: http://www.searchme.co.nz/ "Before attempting to create something new, it is vital to have a good appreciation of everything that already exists in this field." Mikhail Kalashnikov _______________________________________________ NZLUG mailing list [email protected] http://www.linux.net.nz/cgi-bin/mailman/listinfo/nzlug