UNIX and Linux are two distinct operating systems that share many similarities. Here are some of the key differences between them:
Origin
UNIX was developed by AT&T Bell Labs in the 1960s and 1970s, while Linux was created in the 1990s by Linus Torvalds, a Finnish student.
Licensing
UNIX is a proprietary operating system that requires a license to use, while Linux is open-source software that is freely available to anyone.
Kernel
UNIX uses its own kernel, which is typically closed-source, while Linux uses the Linux kernel, which is open-source and can be modified by users.
User interface
UNIX typically uses a command-line interface (CLI) for system administration, while Linux has a wide range of graphical user interfaces (GUIs) available.
Hardware support
UNIX is typically designed to run on proprietary hardware, while Linux is designed to run on a wide range of hardware platforms, including x86, ARM, and MIPS.
File systems
UNIX typically uses the UFS file system, while Linux supports a range of file systems, including ext4, XFS, and Btrfs.
Standards Compliance
UNIX is typically more compliant with industry standards, while Linux may prioritize compatibility with open-source standards over industry standards.
Commercial support
UNIX is typically supported by commercial vendors like IBM, HP, and Oracle, while Linux is supported by a large community of open-source developers and commercial vendors like Red Hat and SUSE.
Overall, UNIX and Linux share many similarities and are both powerful operating systems used in a variety of contexts, but they have different origins, licensing, kernel, user interface, hardware support, file systems, standards compliance, and commercial support.