Linus Torvalds like to be a nice person and curse less and encourage people to grow rather than telling them they are idiots. I'm sorry – I tried, it's just not in me." His attitude, which Torvalds considers necessary for making his point clear, has drawn criticism from Intel programmer Sage Sharp and systemd developer Lennart Poettering, among others. On Sunday, September 16, 2018 the Linux Kernel "Code of Conflict" was suddenly replaced by a new "Code of Conduct" based on the Contributor Covenant. Shortly thereafter, in the release notes for Linux 4.19-rc4, Linus apologized for his behavior, calling the personal attacks
Linux free software. Work began in 1984. Later, in 1985, Stallman started the Free Software Foundation and wrote the GNU General Public License (GNU GPL) in 1989. By the early 1990s, many of the programs required in an operating system (such as libraries, compilers, text editors, a Unix shell, and a windowing system) were completed, although low-level elements such as device drivers, daemons, and the kernel, called GNU/Hurd, were stalled and incomplete. Linus Torvalds has stated that if the GNU kernel had been available at the time (1991), he would not have decided to write his own. Although not released until