Commands Part II

[cms-opendata@localhost src]$ find /usr/include/c++ -name "4*"

/usr/include/c++/4.4.4

/usr/include/c++/4.4.7

Finds files with the number 4 in the directory listed

[cms-opendata@localhost src]$ g++ -dumpspecs

Shows all the specs of g++ compiler - It looks like I'm using version 4.4.7

ls /usr/include/c++/4.4.4/

prints out several commands and directories found in 4.4.4 directory

cat /usr/include/math.h

Shows commands, functions and constants in the math library. Includes pi, e, etc.

cat /usr/include/bits/*math*.h

Explains the functions/commands in the math library and how to use them.

When either of the 2 previous files are preceded by a "more" command the information prints out line by line, showing a percentage for how much of the info has been seen.