You are viewing the version of this documentation from Perl blead.
This is the main development branch of Perl.
(git commit f3270e36ad6d26eee6b46045db7db63b2ae9d4dc)
The time at which the program began running, in seconds since the epoch (beginning of 1970). The values returned by the -M, -A, and -C filetests are based on this value.