cheat sheets.

**/* 	Picks out all files and directories, recursively.
***/*	Ditto, following symlinks
*	Any string, including the null string.
?	Any character.
[...]	Any of the enclosed characters. Ranges of characters can be specified by
separating two characters by a -.
[^...]	Inverse
[!...]	Inverse
<x-y>	Any number in the range x to y, inclusive. Either can be omitted.
^x	Anything except the pattern x.
x|y	Either x or y.

x#	Zero or more occurrences of the pattern x.
x##	One or more occurrences of the pattern x.

(.) 	Files only
(/)     Directories only
(@)     Symlinks only
(x)     Executables only
(r)     Readable files only
(w)     Writable files only
(W)     World-writable files
(U)     Owned by you
		
	dos2unix **/*~*.(gif|png|jpg)(.)     # ~ excludes
		
	dos2unix (#i)**/*~*.(gif|png|jpg)(.) # case-insensitive

	ls =bob	                    # Lists file anywhere in $PATH

	ls **/some_file             # Lists file under current directory   
	zargs -- **/*(.) -- ls -l   # Ditto