Tag: flag

Docker unknown shorthand flag: ‘a’ in -aq)

In this article, we will solution for the Docker error unknown shorthand flag: ‘a’ in -aq).

C:\Users\r2schools>docker kill $(docker ps -aq)
unknown shorthand flag: 'a' in -aq)
See 'docker kill --help'.

C:\Users\r2schools>docker kill $(docker ps -q)
unknown shorthand flag: 'q' in -q)
See 'docker kill --help'.

Docker unknown shorthand flag: 'a' in -aq)

Reason and Solution for Docker unknown shorthand flag: ‘a’ in -aq)

Reason: We receive this docker error in Windows operating systems. But only when we use CMD(command prompt).

Solution: We have to run above command either in PowerShell or Git Bash

This error does not generated in Linux terminals with docker.