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Check file types and compare values. Returns a status of 0 if the condition evaluates to true, 1 if it evaluates to false. More information: <https://www.gnu.org/software/bash/manual/bash.html#index-test>.

Debian Debian
RUN apt-get update && \ apt-get install -y coreutils
Ubuntu
RUN apt-get update && \ apt-get install -y coreutils
Alpine
RUN apk add coreutils
Arch Arch Linux
RUN pacman -S --noconfirm coreutils
image/svg+xml Kali Linux
RUN apt-get update && \ apt-get install -y coreutils
CentOS
RUN yum install -y coreutils
Fedora
RUN dnf install -y coreutils
Raspbian
RUN apt-get update && \ apt-get install -y coreutils
click the source code to copy install [ on any operating system with command-not-found.com