7 July 2026
Three handy uses for the Linux cat command beyond viewing files: quickly creating/editing files in editor-less containers with cat > file, and a one-liner to test whether a TCP port is open using /dev/tcp.
7 July 2026
Three handy uses for the Linux cat command beyond viewing files: quickly creating/editing files in editor-less containers with cat > file, and a one-liner to test whether a TCP port is open using /dev/tcp.