Take a look at the Bash man page. This notation is part of what's called a here documents & here strings. It allows you the ability to generate multi-line data input as one continuous string. The …

Jan 27, 2017 · I realize you said “read the bash man pages” but at first, I thought you meant read the man pages within bash. At any rate, man bash returns a huge file, which is 4139 lines (72 …

Sep 27, 2015 · What's the difference between <<, <<< and < < in bash?Here document << is known as here-document structure. You let the program know what will be the ending text, and …

I found the .bashrc file and I want to know the purpose/function of it. Also how and when is it used?

Jan 30, 2017 · #!/bin/bash # To focus exclusively on the performance of each type of increment # statement, we should exclude bash performing while loops from the # performance measure.

Aug 27, 2011 · To set an environment variable once, use the export command in the prompt, not in a shell script: $ export THEVAR=/example The variable will be set for the rest of the shell …

Oct 6, 2016 · Bash performs the expansion by executing the command in a subshell environment and replacing the command substitution with the standard output of the command, with any …

Apr 21, 2016 · Is ~/.bashrc the only place to specify user specific environment variables, aliases, modifications to PATH variable, etc? I ask because it seems that ~/.bashrc seems to be bash …

The problem is that source is a bash build-in command (not a program - like ls or grep). I think one approach is to login as root and then execute the source command. sudo -s source …

A shell assignment is a single word, with no space after the equal sign. So what you wrote assigns an empty value to thefile; furthermore, since the assignment is grouped with a …