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tr -d time, --date time Change the time value to the specified time instead of the current time. time can use several formats and may contain month names, time zones, a.m. and p.m. strings, as well as others. -m, --time=mtime, --time=modify Update only the modification time. -r file, --reference file Change times to be the same as those of the specified file, instead of the current time. -t time Use the time specified in time instead of the current time. This argument must be of the format: [[cc]yy]mmddhhmm[.ss], indicating optional century and year, month, date, hours, minutes, and optional seconds. Linux Commands --help Print help message and then exit. --version Print the version number and then exit. tr tr [options] [string1 [string2]] Description