.fd文件扩展名，.fd文件如何打开？

.fd

文件类型1：DataFlex Data File

文件说明：

Data file used by DataFlex, a 4GL (Fourth-Generation Programming Language) used for creating business database applications; contains references to an internal DataFlex number as well as DataFlex column definitions.

FD files are used by the DataFlex compiler to associate program code references with database tables.

打开.fd文件

Mac OS

　

Windows

Data Access Visual DataFlex　

Linux

其它内容

.fd

文件类型2：LaTeX Font Definition File

文件说明：

File used by LaTeX, a typesetting system used to create formatted documents; contains a font declaration that maps LaTeX font properties to TeX font specifications; used to describe how LaTeX font attributes are translated into TeX fonts.

FD files are stored in a plain text format and contain commands that declare font families, font provider files, and font encodings.

打开.fd文件

Mac OS

LyX

AUCTEX

　

Windows

LaTeXEditor

LyX

JLatexEditor

AUCTEX

　

Linux

LyX

JLatexEditor

来源：. fd文件