The difference between TAIL-F;TAIL-F;TAILF in Linux

In Linux, the difference between Tail-f;tail-f;tailf.

tail-f equivalent to --follow=descriptor , tracking according to the file descriptor, when the file is renamed or deleted, the trace stops

tail-f equivalent to --follow=name--retry , tracking according to the file name and remaining retried, that is, after the file has been deleted or renamed, if you create the same file name again, you will continue to track

Tailfequivalent totail-f N-Ten(Seeminglytail-for- FThe default is to print the lastTenline, and then trace the file), withtail-fthe difference is that if the file does not grow, it does not go to access the disk file, soTailfideal for tracking log files on portable machines because it reduces disk access and can save power

The difference between TAIL-F;TAIL-F;TAILF in Linux