$ comm file1 file3 Kids, the five basic food comm: file 2 is not in sorted order groups are fruits, vegetables, grains, protein and dairy Kids, the seven basic food comm: file 1 is not in sorted ...

To find the length of the longest line in 'file1', you would use wc -L file1. It's important to note that you can use multiple options at the same time. For example, wc -lw file1 will return both the ...