table of Contents
- Statistical row number 1. WC / words (separated by spaces) / byte count / number of characters
- 2. sort sort function
- 3. uniq Similarly cat, repeat show no or only one row
- 4. cut specify the delimiter is fixed with the display column
- 5.tee Copy standard input to each of the specified file, and to standard output
- 6.xxd view the contents of the file data in hexadecimal format
- 7.history View entered commands
- 8. more view the files as page-turning line breaks
- 9. less and more similar to
- A few lines before displaying the file 10.head
- 11.tail a few lines after display files
- 12. tail -f real-time monitoring file content == == Common
- 13. echo corresponds to the printing (print)