The backslash (English, composed of: back = back and slash = slash ) - also known less commonly, backslash, backslash, "left side ", " reverse " or " backslash character " - is the character "\".

The backslash is located on the German keyboard on the same key as the ß ( sharp s ) and can be generated ß with the key combination Alt Gr. On the Swiss keyboard it is located in the

Under DOS and Microsoft Windows, it is the separator of directories in a path; among Korean locale, the separator is shown, however, than ₩ ( Wonzeichen ) or under Japanese locale than ¥ ( yen character) instead of \. In addition, \ stands for the root directory on VMS, DOS and Windows.

In some programming languages, such as C, C and related the backslash is used as an escape character to represent special characters ( for example, " \ n" for a newline ), and Visual Basic, it performs an integer division by. In the Unix shell, and a few other line-oriented programming languages ​​, the backslash is used to mask special characters. Thus, the line break is, for example, at the end of a line masked by the input and thus combines several lines of text to a logical line.

The inclusion in the ASCII standard ( position 92 decimal) was proposed by Bob Bemer. The backslash is used as a delimiter, because it is rare in texts.

In set theory, a backslash is used as a symbol for forming a difference amount. means, for example " A without B". In Unicode, there are for the difference of the characters own character U 2216 ( Set Minus) " ∖ ".

Representation in computer systems


  • Character