> I was trying to find a year on it and couldn’t, but agree it seems newer. http://man7.org/linux/man-pages/man3/posix_spawn.3.html#CONFORMING_TO http://man7.o

> I was trying to find a year on it and couldn’t, but agree it seems newer. http://man7.org/linux/man-pages/man3/posix_spawn.3.html#CONFORMING_TO http://man7.org/linux/man-pages/man3/posix_spawn.3.html#CONF... says POSIX.1-2001, so I'm guessing between 1998 and 2002 (according to https://en.wikipedia.org/wiki/Single_UNIX_Specification#2001:_Single_UNIX_Specification_version_3,_POSIX:2001 https://en.wikipedia.org/wiki/Single_UNIX_Specification#2001... it started development in 1998 and was released in 2002). That man page also says "since glibc 2.2", which according to Wikipedia was released November 2000.