The backslash \ is a typographical mark used mainly in computing and mathematics. It is the mirror image of the common slash ('solidus'), /. It is a relatively recent mark, first documented …

The meaning of BACKSLASH is a mark \ used especially in computer programming.

Jun 25, 2025 · Also called a backward slash, downward slash, and reverse solidus, the backslash is a character ( \ ) introduced by Bob Bemer in 1960. Although "slash" often describes the …

Jan 6, 2022 · What is a backslash? A backslash is a symbol that resembles a line slanted toward the left ( \ ). It is a “backwards slash” that is the reverse of a forward slash ( / ). The backslash …

Dec 27, 2025 · From back +‎ slash, because it is a slash “leaning back” against the direction of writing (in writing lines from left to right), in contrast to the more common (forward) slash / …

It is called a "backslash" because it is the reverse of the slash (/) or forward slash. The backslash is used in several computer systems, and in many programming languages such as C and Perl.

Jul 23, 2025 · The backslash key is located above the Enter key and below the Backspace key on the keyboard. It is typically positioned to the left of the Enter key and looks like this \.