[ilikepi]

> Are there many other well-known utilities with a single-letter name?

There is a `w` command. It's kind of like a mix of `who` and `uptime`.

https://linux.die.net/man/1/w

[LeoPanthera]

Huh! Today I learned that w and who aren't the same. I always thought they were.

[zvr]

The `w` command is more of a `what` instead of `who`.