Linus Torvalds of the past "unprofessional and uncalled for" and announced a period of "time off" to "get some assistance on how to understand people’s emotions and respond appropriately". It soon transpired that these events followed "The New Yorker" approaching Linus with a series of questions critical of his conduct. Following the release of Linux 4.19 on October 22, Linus went back to maintaining the kernel. Initially, Torvalds wanted to call the kernel he developed "Freax" (a combination of "free", "freak", and the letter X to indicate that it is a Unix-like system), but his friend Ari Lemmke, who administered the FTP
Tanenbaum–Torvalds debate titled "Can We Make Operating Systems Reliable and Secure?". While Tanenbaum himself has mentioned that he did not write the article to renew the debate on kernel design, the juxtaposition of the article and an archived copy of the 1992 debate on the technology site Slashdot caused the subject to be rekindled. Torvalds posted a rebuttal of Tanenbaum's arguments via an online discussion forum, and several technology news sites began reporting the issue. This prompted Jonathan Shapiro to respond that most of the field-proven reliable and secure computer systems use a more microkernel-like approach. Tanenbaum–Torvalds debate The Tanenbaum–Torvalds debate was