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This article mainly introduces the Linux fold command has what role related knowledge, detailed and easy to understand, simple and fast operation, has a certain reference value, I believe everyone read this Linux fold command has what role the article will gain, let's take a look at it.

fold controls the screen width occupied by file content output

The fold command reads the contents from the specified file, adds additional column characters to columns that exceed the limit column width, and outputs them to standard output devices. If no file name is specified, or if the file name given is "-," the fold command reads data from a standard input device.

syntax fold(option)(parameter) option-b or--bytes: calculates column widths in bytes instead of row numbers; -s or--spaces: uses space characters as transition points; -w or--width: sets the maximum number of rows per column. Parameter file: Specifies the file whose content is to be displayed.

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