Can we delete tmp folder in Linux?

Every Linux system has a directory called /tmp which has mounted with separate file system. … /tmp directory is a directory used to hold temporary files (or session files) when application is running. Those temporary files will be deleted automatically by application once their process is got completed.

What happens if tmp is full in Linux?

This will delete files that have a modification time that’s more than a day old. where /tmp/mydata is a subdirectory where your application stores its temporary files. (Simply deleting old files under /tmp would be a very bad idea, as someone else pointed out here.)