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.

Exercise 1.2 Modification of the echo programm taht prints index and value of each arguments one per line

Echo2 prints its comand-line arguments

Echo2 prints its comand-line arguments

Echo3 prints command-line arguments, using Join

E xercis e 1.1 tha output all arguments amd also print os.Args[0], the name of t he command that invoked it.

Dup2, version for ex.1.4 prints the count and text of lines that appear more than once in the input.

Fetch prints the content found at each specified URL.

Fetch prints the content found at each specified URL.

Fetch prints the content found at each specified URL.

Fetch prints the content found at each specified URL.