bash-4.3$ date
Wed Apr  5 13:03:06 EDT 2017
bash-4.3$ pwd
/home/accts/sbs5/cs223/www/current/lectures
bash-4.3$ cd
bash-4.3$ cd cs223/www/current
bash-4.3$ cd lectures/code
bash-4.3$ pwd
/home/accts/sbs5/cs223/www/current/lectures/code
bash-4.3$ ls
AVLmain		getLine.c	     lp0123.c  lp0329	    random.c
AVLmain.c	goodDoubler.c	     lp0125    lp0329.c     rb
AVLmain.h	heap		     lp0125.c  lp0403	    rbarg
AVLtree		heap.c		     lp0206    lp0403.c     rbarg.cpp
AVLtree.c	heapsort	     lp0206.c  lp0403.c~    rbarg.cpp~
AVLtree.h	heapsort.c	     lp0208.c  lp0405	    rb.cpp
AVLtree.o	hi		     lp0213    lp0405.c     rb.cpp~
AVLtree.output	hi.c		     lp0213.c  lp0405.c~    stacklist
badDoubler.c	hw6		     lp0215    Makefile     stacklist.c
btreeint	lists		     lp0215.c  mt	    stacknotes
btreeintargs	lists2		     lp0220    mygetLine    stack.py
btreeintargs.c	lists2.c	     lp0220.c  mygetLine.c  struct
btreeint.c	lists.c		     lp0227    myString     struct2
examplehash	liststest	     lp0227.c  myString.c   struct2.c
examplehash2	liststest.c	     lp0301    myString.h   struct3
examplehash2.c	lookingAtPointers    lp0301.c  printArgs    struct3.c
examplehash.c	lookingAtPointers.c  lp0306    printArgs.c  struct.c
exhash		lp0118		     lp0306.c  __pycache__  sumRange
exhash2		lp0118.c	     lp0308    queuetest    sumRange.c
exhash2.c	lp0120		     lp0308.c  queuetest.c  tolower
exhash.c	lp0120.c	     lp0327    queuetest.o  tolower.c
getLine		lp0123		     lp0327.c  random
bash-4.3$ ./lp0405
a-b: -66
bash-4.3$