unix - How to tail all the log files inside a folder and subfolders? -

in linux, using command tailf, how can tail several log files inside folder , in subfolders?

to log files inside folder, can go folder , write

tailf *.log 

to add subfolders tailf command, use

tailf **/*.log 

instead of tailf can use tail -f. of course, regular expression can improved match specific file names.