How to create a file of specific size using Linux command line
Run for a second:
yes "some text" > testfile.txt
Reduce size:
truncate -s 50M testfile.txt
Create 50M file using fallocate command
fallocate -l 52428800 testfile.txt
To be more exact using inline arithmetic:
fallocate -l $((50*1024*1024)) > testfile.txt
Using head command
head -c 50MB /dev/urandom > testfile.txt… Read the rest