How to find the disk space left for a file on Linux? For example, a program may append data to a file:
/mnt/logs/app-log.log
How to find which partition the app-log.log is on and how much disk space left on that partition?
Use this command:
$ df -B1 /mnt/logs/app-log.log | tail -1 | cut -d' ' -f4
It will displays the available disk space in bytes.