@@ -28,7 +28,7 @@ You can directly interact with it via *bash*. This is a shell in which you give
For example you start bash and are in your home directory (A folder in the file system that is reserved for you). You can use `cd` to *c*hange *d*irectory to move inside the file system, `ls` to list the files in the folder you are in, `rm` to remove files and many more. Usually you find out how to do something by googleing what you want to do and entering bash, e.g. `copy files bash` will give you a hint h ow to copy files from the bash shell. `cd`, `ls` and `rm` are programs that have been written by others and are there by default. If you type a command in bash, the computer knows where to search for the instructions from something that is called PATH-variable. The PATH variable contains locations on the data system where the chip looks for the instructions. You can display it by typing `echo $PATH`. If you run a program that you think should be there but it isn't, you can know what might be the problem: It was not in the PATH, so the chip couldn't find it.