Where this command comes from?

The which command gives you the local path of it:

$ which redis-cli
/usr/bin/redis-cli

And, if you are using a Debian based distro, you can combine it with dpkg to figure it out from which package does it comes from:

$ dpkg -S `which redis-cli` 
redis-tools: /usr/bin/redis-cli

Comments

[Alex P]

if which returns empty result – try the type, and then you may see that the command could be an alias

Some more useful commands: whereis, whatis

Demo:

[Ben Sinclair]

Another tip is that you can use command -v instead of which. It's slightly less memorable, but it should work on every system you use; which might not.

[Eduard]

If you use PowerShell, the equivalent is where.

[Ben Sinclair]

I'd suggest using command -v instead of which as it's more portable. Also using $(...) instead of backticks in general, so:

dpky -S $(command -v redis-cli)

because it's usually easier to use this kind of substitution. For one thing, you can nest it, and if you end up using it for some things, then using it for everything makes sense, right?

[Paulo Henrique]

Whaaaaaat 🤯