stderr HowTo - Linux / Unix Q & A from nixCraft

How to redirect standard error in bash

in BASH Shell, Linux, UNIX last updated January 29, 2018

I am trying to redirect bash message into file named output.log. But, it is not getting redirected. How do I redirect both standard output and standard error in bash shell? In Linux, how do I redirect error messages?
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Unix and Linux: Redirect Error Output To null Command

in BASH Shell, KSH Shell, Linux, UNIX last updated June 5, 2014

I‘m a new Linux system user. How can I redirect command error output /dev/null on a Linux or Unix-like system using Bash shell?

BASH Shell Redirect Output and Errors To /dev/null

in BASH Shell, CentOS, Debian / Ubuntu, Fedora Linux, FreeBSD, HP-UX Unix, Linux, OpenBSD, Programming, Solaris-Unix, Suse, Troubleshooting, Ubuntu Linux, UNIX last updated February 2, 2015

How do I redirect output and errors to /dev/null under bash / sh shell scripting? How do I redirect the output of stderr to stdout, and then redirect this combined output to /dev/null device? In Unix, how do I redirect error messages to /dev/null?