CAT COMMAND MEOW~~
cat is view the file without edit log you can view the file in read-only mode no read log no edit log ,and the usage in the below: -A, --show-All Equivalent to -vET. -b, --number-nonblank To non-empty output line number. -e equivalent to -vE. -E, --show-Ends At the end of each line displayed $. -n, --number Tell all the output line number. -s, --squeeze-blank All consecutive multiple blank lines replaced by a blank line. -t equivalent to -vT. -T, --show-Tabs ...