Unix-like systems are systems that use the general design of Unix, but are not descended from it. Operating systems like GNU/Linux and Minix have inherited the same general design of Unix, such as the hierarchical filesystem, the shell, and basic user commands (ls, cat, grep), but do not descend from Research Unix.

Nov 17, 2014 · Here's the classic map of the linux kernel initially developed by Linus Torvalds, which also reveals what a kernel "can" be in a Unix-like operating system: This hints at the idea that a "kernel" design type is not what makes the UNIX standard or what defines a unix-like OS.

Nov 16, 2010 · Linux is a Unix-Like Operating System developed by Linus Torvalds and thousands of others. BSD is a UNIX operating system that for legal reasons must be called Unix-Like. OS X is a graphical UNIX Operating System developed by Apple Inc. Linux is the most prominent example of a "real" Unix OS.

Jan 24, 2015 · As I understand it, part of the Unix identity is that it has a microkernel delegating work to highly modular file processes. So why is Linux still considered "Unix-Like" if it strays from this appr...

Sep 24, 2014 · What is the relationship between Unix, Linux, Ubuntu, and Debian? I suspect they are all Operating Systems that are based upon one another - similar to how Windows is based on DOS. Is my suspicion

Is OS X Mountain Lion a pure UNIX-based OS? Some tutorials say that it is a Unix-like OS, but after version 10.5, all Mac operating systems are based on pure UNIX. Is this true?

I want to know what the actual difference between Unix and Linux is. Do they share the same kernel? Is Linux built on Unix? Do programs written for Linux work on Unix and vice-versa?

Jun 4, 2018 · I had this argument recently saying Mac OS X was not UNIX, but Unix-like. I know there is a Single Unix Specification and those spec compliant could use the UNIX trade mark. Is Mac OS X a UNIX operating system or is it a Unix-like?

Apr 9, 2015 · Not generally considered Unix-like, i.e. wasn't designed with Unix compatibility as a primary goal, doesn't use X11 as its default GUI in the most common distributions, doesn't support Unix commands by default, etc. Not in the Windows NT family.

Jul 16, 2019 · In linux dot is just a character of the filename, in dos/windows it is a delimiter between the filename and it's extension. So, in Linux a file can have several dots, if it starts with a dot it is not shown by ls three filenames are predefined / root …