(The linux equivalent of TimeThis.exe)
timethis wget foo.com Receiving foo.com ... wget foo.com took 3 seconds.
Although be aware that there's often a shell builtin version of time and a binary version, which will give results in different formats:
Unlike your "timethis" program, you get three values back. That's broken down in What is "system time" when using "time" in command line, but in short: real means "wall-clock time", while user and sys show CPU clock time, split between regular code and system calls.
By using the executable
Note that you must specify the path for