Seq command summary basic usage seq [Option]... ending number seq [Option]... sequence [Option]... increment the ending number to print the number from the beginning to the ending number. Option:-f, -- format = format: Use the floating point format of printf-s, -- separator = string: Use the specified string to separate numbers (\ n by default)-w, -- equal-width: Add 0 before the column to make the width the same. Example: 1. display the big integer [plain] $ seq -- format = % 1.f 1000000 1000001 as much as possible to display the 1000000 1000001 comparison, without using -- format, by default, % g is used to display [plain] $ seq 1000000 1000001 display 1e + 06 1e + 06 2. show the same width number. If the number of digits is insufficient, use the leading 0 to fill the [plain] seq-w-s ''0 10 to display 00 01 02 03 04 05 06 07 08 09 10. Note: -s is used to change the separator between words, and-w is used to ensure equal width display.