ul

Ul is a command line tool that is used to create a blank file of a specific size. It stands for "utility for blanking disks" and is primarily used in Unix-like operating systems. The ul command is used by specifying the desired file size along with an optional size prefix. It can be used to create files of any size, whether in bytes, kilobytes, megabytes, or gigabytes. The ul command creates files with null bytes, effectively blanking the file. It is particularly useful when testing file systems, creating minimal test files, or generating large empty files. The ul command is simple to use and allows for efficient and quick creation of blank files of various sizes on the command line.