(0x0d) PCs running DOS or Windows use both, with a "CRLF" combination as the line terminator.ĭepending on the origin of the ASCII file, it may be necessary to adjust the line endings for the system you use. Apple Macintosh machines use the Carriage Return character, ASCII 13. Systems running a flavor of the Unix operating system expect lines to be terminated by a Line Feed character, ASCII 10 (0x0a). The system using the file needs to know what terminates any particular line of text. One issue with ASCII files is the line ending convention. Here are some issues when trying to read TXT. Text files can also be referred to as etext. log for a computer generated log file, or. Other times a more semantic extension is used such a. They are typically assumed to use fixed-width fonts like Courier. txt extension, particularly if they contain a fairly long document. It uses the first 128 character slots in those standards. TXT files are made up of these basic symbols, called characters primarily the ones defined in the ASCII character set.ĪSCII is a subset of ISO-8859-1 and UTF-8 standard character sets as well as Windows-1252 and many others. There are 256 possible combinations of on and off in a string of eight bits, so there are 256 possible representations in a byte.
On current computer systems, the basic unit of information is a byte, which is made up of eight bits.
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