What does > /dev/null 2>&1 || true mean in Linux? - Super User
Feb 17, 2017 · By specifying > /dev/null in the command (the redirection can generally go anywhere within the command, but by convention it goes at the end or very rarely at the …
What is the practical mechanic of /dev/null? - Super User
Sep 18, 2021 · pg@TREX:~$ ls -l /dev/null crw-rw-rw- 1 root root 1, 3 Sep 18 08:09 /dev/null As you can see /dev/null is a character device. Data streams there unbuffered, character by …
Is there an equivalent to /dev/null in Windows? - Super User
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What's '2>&1' and '/dev/null' - Super User
Aug 28, 2012 · One of those devices is a pseudo-device called null. /dev/null is an empty device - a vacuum if you will. It does nothing besides being a hole where you put something and it …
Does writing to '/dev/null' or 'NUL' affect the hard drive?
Apr 15, 2016 · Writing to /dev/null does not affect the HDD in any way. The same is true for Windows NUL. One thing that is different is that NUL is a "special" name, whereas /dev/null is …
What does /dev/null do in the command line? - Linux.org
Nov 15, 2020 · /dev/null is also known as the bit-bucket. When anything is written, or redirected to /dev/null - it is effectively lost. /dev/null can also be used as an input device, which will provide …
Is there an email address equivalent of “/dev/null?”
Feb 27, 2024 · I'm searching for an equivalent of a sinkhole email address. Essentially, I need a discard mechanism similar to /dev/null or the non-routed range 240.0.0.0/4. Options like …
What is /dev/null and why can't I use hx on it? - Super User
Sep 28, 2019 · /dev/null is a character device file, i.e. an interface to a device driver. This specific device is a dummy device (not representing a real hardware). It is specially made to be a …
Is there a way to replace /dev/null with an actual file?
Oct 27, 2009 · First, you need to delete the current /dev/null: rm /dev/null Then create a replacement file with the same name and some adequate permissions: touch /dev/null chmod …
bash - what does echo "" > /dev/null do? - Super User
Feb 6, 2017 · /dev/null is a standard Unix device driver that simply throws away what it receives. It's often used to throw away unwanted output or for testing. It's often used to throw away …