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
Operating system existing hardware production. MCP is still in use today in the Unisys ClearPath/MCP line of computers. UNIVAC, the first commercial computer manufacturer, produced a series of EXEC operating systems. Like all early main-frame systems, this batch-oriented system managed magnetic drums, disks, card readers and line printers. In the 1970s, UNIVAC produced the Real-Time Basic (RTB) system to support large-scale time sharing, also patterned after the Dartmouth BC system. General Electric and MIT developed General Electric Comprehensive Operating Supervisor (GECOS), which introduced the concept of ringed security privilege levels. After acquisition by Honeywell it was renamed General Comprehensive Operating System (GCOS).