ch1/

Dup prints the count and text of lines that appear more than once in the input files, followed by their filenames.

Echo1 prints the name of the command that invoked it along with its command-line arguments.

Echo2 prints the index and value of each of its command-line arguments, one per line.

Echo3 measures the difference in running time between using string concatination and strings.Join for our echo program.

Fetch1 prints the content found at each specified URL.

Fetch2 prints the content found at each specified URL.

Fetch3 prints the content found at each specified URL.

Fetchall1 fetches URLs in parallel and reports their times and sizes.

Fetchall2 fetches URLs in parallel and reports their times and sizes.

Lissajous1 generates GIF animations of random lissajous figures.

Lissajous2 generates GIF animations of random lissajous figures.

Lissajous3 generates GIF animations of random lissajous figures and serves them through HTTP.