ch1/

Dup1 prints the text of each line that appears more than once in the standard input, preceded by its count

Dup2 prints the count and text of lines that appear more than once in the input.

Dup3 prints the count and text of lines that appear more than once in the named input files.

Echo1 prints its command-line arguments

Echo2 prints its command-line arguments

Echo3 prints is command-line arguments

Fetch prints the contnt found at each specified URL.

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

Lissajous generates GIF animations of rantom Lissajous figures.

Lissajous generates GIF animations of rantom Lissajous figures.

Server1 is a minimal "echo" server.

Server2 is a minimal "echo" and counter server.

Server3 is a minimal "echo" (with headers) and counter server.