Consider a program hello_and_error that writes to both stdout and to stderr. To redirect both to stdout:
hello_and_error 2>&1
If you want to redirect both to the same file hello.txt you can do in bash the following:
hello_and_error &> hello.txt
If you …
Sometimes I need to repeat a command several times on the bash commandline. I don't mean a scenario where you could use a for or while loop, but take for example editing a script in an editor and periodically running it in a terminal. In that case my bash history …
Ever wondered about the difference between ~/.bashrc, ~/.bash_profile,
~/.profile, /etc/profile, /etc/bash.bashrc (and maybe others)
and what their purposes are? I do.
Some interesting excerpts from the bash manpage:
When bash is invoked as an interactive login shell, or as a non-interactive shell with the
--loginoption …
Working on the command line shell typically involves using the same argument of the previous command. In bash there is a trick to save you those boring keystrokes. When you use "!$" (called bang dollar-sign ) in a command, bash will expand it to the last argument of the previous command. A …