![Forrest logo](/images/logo.png)
fallocate:tldr:dffe8
The command fallocate
is used to preallocate space to a file in Linux. It allows you to declare the size of the file in advance without actually writing any data to it.
In the given command:
fallocate
– It is the command used to allocate space to a file.
--collapse-range
– This option is used to remove a range of holes from a file and collapse the remaining data towards the beginning of the file. It essentially allows you to shrink the file size.
--length ${200M}
– This option specifies the length or size of the file to be allocated. In this case, it is set to 200 MB.
${filename}
– This is a placeholder for the actual filename you want to use. Replace it with the desired file name.
Overall, the command is allocating space for a file of size 200 MB (${200M}), collapsing any existing hole ranges, and assigning it the specified file name (${filename}).