Using alt to the right of the space bar (alt gr), plus shift, plus key for / gives backslash .

What is backslash in Linux command line?

A backslash at the end of a line in a shell script makes the shell ignore the newline for the purposes of executing the script. This is normally used to split long lines in a script file into multiple text lines, which will be handeled as a single script line by the shell.

How can I type a backslash with no backslash key?

Hold down the ALT key to the RIGHT of the spacebar and press the backslash key (i.e right ALT+) Hold down left CNTL and left ALT and then the backslash (i.e. left CNTL+ left ALT+) Hold down the ALT key to the LEFT of the spacebar and type 92 (i.e. left ALT+92)