Criticism of Linux rise in prominence of operating system-level virtualization using Linux has raised the profile of attacks against the kernel, and that Linus Torvalds is reticent to add mitigations against kernel-level attacks in official releases. Linux 4.12, released in 2017, enabled KASLR by default, but its effectiveness is debated. Con Kolivas, a former kernel developer, tried to optimize the kernel scheduler for interactive desktop use. He finally dropped the support for his patches due to the lack of appreciation for his development. In the 2007 interview "Why I quit: kernel developer Con Kolivas" he stated: At LinuxCon 2009, Linux creator Linus Torvalds
Canaima (operating system) have been generated with several countries and manufacturing hardware companies: The most successful instances of the use and adoption of Canaima: It is a project initiated in 2009 by the Venezuelan Ministry of Education (Ministerio del Poder Popular para la Educación) that provides students in primary education with a laptop computer, known as Canaimitas, with free software, using the Canaima operating system and a series of educational content created by the Ministry of Education. In 2011, 1,314,091 laptops were acknowledged as being delivered. The national telephone company, CANTV, uses the operating system to a certain extent according to their Equipped