Linux/date
< Linux
Unix Timestamp:
# %s seconds since 1970-01-01 00:00:00 UTC date +%s date +%u # %u - day of week (1..7); 1 is Monday date +%w # %w - day of week (0..6); 0 is Sunday
date +%Y-%m-%d-%H-%M-%S # 2016-06-18-07-59-40 date +%Y%m%d%H%M%S # 20160618075940