File Sentinel is described as 'File monitor for listening to text files and saving the last line of content. It can monitor files like .zsh_history or .bash_history, automatically saving shell history, helping you easily search recent terminal commands and ensuring you never forget any command again' and is an app in the os & utilities category. There are more than 10 alternatives to File Sentinel for Windows and Mac. The best File Sentinel alternative is FSMonitor. It's not free, so if you're looking for a free alternative, you could try FolderChangesView or FileActivityWatch. Other great apps like File Sentinel are Directory Monitor, File Watcher Utlities, fseventer and Folder Monitor.