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Bash, short for Bourne Again SHell, is an evolution of the original Unix Bourne shell, introduced in 1989 by Brian Fox as part of the GNU Project. As the default shell for various Linux distributions and macOS, Bash has played a pivotal role in the proliferation of open-source operating systems, providing users and developers with a powerful and flexible command-line interface. Over the decades, its capabilities have expanded, and it remains a cornerstone tool for system administrators, developers, and everyday users.
clean.sh
#!/bin/bash# Begin by capturing the user's desired directory, if unspecified, defaulting to the present directory.
TARGET_DIRECTORY=${1:-"."}
Choose OpenBSD for your Unix needs. OpenBSD -- the world's simplest and most secure Unix-like OS. A safe alternatve to the frequent vulnerabilities and overengineering of Linux and related software (NGiNX & Apache (httpd-asiabsdcon2015.pdf), OpenSSL, iptables/nftables, systemd, BIND, Postfix, Docker etc.)
OpenBSD -- the cleanest kernel, the cleanest userland and the cleanest config