cut is a Unix command which is typically used to extract a certain range of characters from a line, usually from a file. Unix or UNIX is a computer operating system originally developed in the 1960s and 1970s by a group of AT&T Bell Labs employees including Ken Thompson, Dennis Ritchie, and Douglas McIlroy. ...
-b Bytes; a list following -b specifies a range of bytes which will be returned, e.g. cut -b1-66 would return the first 66 bytes of a line. NB If used in conjunction with -n, no multi-byte characters will be split. NNB. -b will only work on input lines of less than 1023 bytes
-c Characters; a list following -c specifies a range of characters which will be returned, e.g. cut -c1-66 would return the first 66 characters of a line
-f Specifies a field list, separated by a delimiter
list A comma separated or blank separated list of integer denoted fields, incrementally ordered. The - indicator may be supplied as shorthand to allow inclusion of ranges of fields e.g. 4-6 for ranges 4 - 6 or 5 - as shorthand for field 5 to the end, etc.
-n Used in combination with -b suppresses splits of multi-byte characters
-d Delimiter; the character immediately following the -d option is the field delimiter for use in conjunction with the -f option; the default delimiter is tab. Space and other characters with special meanings within the context of the shell in use must be enquoted or escaped as necessary.
-s Bypasses lines which contain no field delimiters when -f is specified, unless otherwise indicated.
file The file (and accompanying path if necessary) to process as input. If no file is specified then standard input will be used.
A byte is commonly used as a unit of storage measurement in computers, regardless of the type of data being stored. ... Delimiters are marks which are used to seperate subfields of data. ... A Unix shell, also called the command line, provides the traditional user interface for the Unix operating system. ... The standard streams are a set of input and output channels featured in Unix and Unix-like operating systems, and provided by the standard I/O library (stdio. ...
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