In linux, how can I test whether the output of a program is going to a live terminal or to a file?

In linux, how can I test whether the output of a program is going to a
live terminal or to a file?



1.EE Times | Electronic Engineering Times | Connecting the ...

Description:Electronic Engineering Times is the industry resource for
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2.The Linux Kernel HOWTO - Internet FAQ Archives - Online ...

Description:1. Introduction You compile Linux kernel for one of following
reasons: You are doing kernel development You are adding a ...



3.BashFAQ - Greg's Wiki

Description:61. How do I create a temporary file in a secure manner? There
does not appear to be any single command that simply works everywhere.
tempfile is not portable.



4.Linux kernel - Wikipedia, the free encyclopedia

Description:Linux is a registered trademark of Linus Torvalds in the
United States and some other countries. This is the result of an incident
in which William Della Croce, Jr ...



5.Capturing Packets in Your C Program, with libpcap - LINUX ...

Description:As we have given ip as the expression, your screen will soon
fill with the count of the number of IP packets. You can replace ip with
any expression of your choice ...



6.Linux Journal | The Original Magazine of the Linux Community

Description:The monthly magazine of the Linux community, promoting the use
of Linux worldwide.



7.Linux News | Linux.com | Linux.com

Description:Degrees of Open. I've been invited to speak on a panel at ONS
on "Openness." It is a great honor to be on stage with Dan Pitt (ONF),
Margaret Chiosi (AT&T Labs ...



8.XBMC - Wikipedia, the free encyclopedia

Description:Hardware requirements . XBMC has greater basic hardware
requirements than traditional 2D style software applications: it needs a
3D capable graphics hardware ...



9.Slackware Linux Essentials - Slackbook

Description:Slackware Linux is a registered trademark of Patrick
Volkerding and Slackware Linux, Inc. Linux is a registered trademark of
Linus Torvalds. America Online and AOL ...



10.MondoRescue HOWTO

Description:License. This HOWTO is a free documentation. you may copy,
redistribute and/or modify it under the terms of the GNU Free
Documentation License, Version 1.1.