Following the instructions on the Arduino install page, once I arrive in my extracted directory and run install.sh in the terminal, I get the message:
install.sh: command not found
How do I install the Arduino software on Ubuntu 20.04 64-bit?
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1 Answer
You need to type ./install.sh instead.
The ./ indicates that you want to run a file in your current working directiry.
Without the leading ./ linux will search in your $PATH for an executable program with that name.
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I don't fully understand this. 'install.sh' is inside my cwd. What is
./doing? I thought by typing xyz.xxx in my cwd it would indicate that I want to run that file.– gfriesFeb 13, 2022 at 16:13 -
3The
./indicates that you want to run a file in your current working directiry. Feb 13, 2022 at 16:14 -
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1A bit of explanation: only files in your $PATH will be executed without the need of specifying their full path. By typing
./before the executable name, you provide the full path. You could add"."to your $PATH, meaning "whatever the current directory is", in order to avoid having to type./before every executable in your current directory. However, this is not recommended, as it is a security exposure.– JosFeb 13, 2022 at 16:59