Ch Standard Demos
ISO C90 Standard
Wide characters
ISO C99 Standard
C++ features
Complex IEEE floating-point arithmetic
Assumed-shape arrays
Nested functions
Interactive C statement execution
Interactive command shell
Shell Programming
Safe Ch
Ch applets
String Type
Adjustable array bounds
Auto array bound checking
Socket/Winsock
POSIX
Unix utilities for Windows
Windows
GTK+
X/Motif
OpenGL
Toolkits Demos
CGI
ODBC
ChExcel
Ch Professional Demos
Computational array
Plotting
Numerical analysis
C LAPACK functions
Many Unix utilities and commands such as vi, ls, awk, sed, mv,rm, cp, find, grep, etc. are supported in Ch for Widodws for portable shell programming. 
C:/temp> pwd
C:/temp> 
C:/temp> mkdir mydir
C:/temp> cd mydir
C:/temp/mydir> touch testfile
C:/temp/mydir> cp testfile testfile2
C:/temp/mydir> ls
testfile testfile2
C:/temp/mydir> rm testfile
C:/temp/mydir> ls
testfile 
C:/temp/mydir> which grep
C:/ch/bin/grep.exe
C:/temp/mydir>