Question

What, if anything, is wrong with each of the following commands?

a) ls -l-s

b) cat file1, file2

c) ls - s Factdir

Answer 1

a) there should be space between the 2 options: ls -l -s

b) do not use commas to separate arguments: cat file1 file2

c) there should be no space between hyphen and option label: ls –s Factdir