- search for files in a directory hierarchy
find [options] [path...] [expression]
Compares the timestamp of the current file with reference. The reference argument is normally the name of a file (and one of its timestamps is used for the comparison) but it may also be a string describing an absolute time. X and Y are placeholders for other letters, and these letters select which time belonging to how reference is used for the comparison
find file modified newer than some daytimes
find /var/log -newermt '2016-06-01T00:00:00'
Base of file name (the path with the leading directories removed) matches shell pattern pattern.The metacharacters ('*', '?', and '') match a '.' at the start of the base name (this is a change in findutils-4.2.2; see section STANDARDS CONFORMANCE below)