if

Performs conditional processing in shell scripts. See also: test, [. More information: <https://www.gnu.org/software/bash/manual/bash.html#Conditional-Constructs>.

Debian Debian
RUN apt-get update && \ apt-get install -y execline
Ubuntu
RUN apt-get update && \ apt-get install -y execline
Alpine
RUN apk add execline
image/svg+xml Kali Linux
RUN apt-get update && \ apt-get install -y execline
click the source code to copy install if on any operating system with command-not-found.com