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pr:tldr:cf7fc
The given command is referencing the "pr" command with several options and file operands. Here is an explanation of each part:
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"pr": The "pr" command is commonly used to prepare files for printing. It paginates the given files and prints them in a specified format.
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"-m": This option in the command tells the "pr" command to merge multiple input files into a single output file. It will interleave the lines from different files rather than printing them separately.
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"-T": This option specifies that the input files are plain text files.
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"${file1} ${file2} ${file3}": These are the file operands or file names that are provided as input to the command. You would need to replace "${file1}", "${file2}", and "${file3}" with the actual names or paths of the files you want to print and merge.
Overall, the provided command will merge and paginate the text files ${file1}, ${file2}, and ${file3}, printing them in a specified format suitable for printing purposes.