cs31shell> ls
Makefile   cs31shell	parsecmd.c  parsecmd.o	   sleeper    tester
README.md  cs31shell.c	parsecmd.h  sample_inputs  sleeper.c  tester.c

cs31shell> ls -l
total 112
-rw------- 1 kwebb users   448 Nov  1 10:15 Makefile
-rw-r--r-- 1 kwebb users    24 Nov  1 10:15 README.md
-rwxr-xr-x 1 kwebb users 23808 Nov  1 15:27 cs31shell
-rw------- 1 kwebb users  6542 Nov  1 15:27 cs31shell.c
-rw------- 1 kwebb users  1468 Nov  1 10:16 parsecmd.c
-rw------- 1 kwebb users  1468 Nov  1 10:15 parsecmd.h
-rw-r--r-- 1 kwebb users  7344 Nov  1 10:16 parsecmd.o
-rw-r--r-- 1 kwebb users   163 Nov  1 15:39 sample_inputs
-rwxr-xr-x 1 kwebb users 17440 Nov  1 10:16 sleeper
-rw------- 1 kwebb users   631 Nov  1 10:15 sleeper.c
-rwxr-xr-x 1 kwebb users 22008 Nov  1 10:16 tester
-rw------- 1 kwebb users  2456 Nov  1 10:15 tester.c

cs31shell> whoami
kwebb

cs31shell> ./sleeper &

cs31shell> ./sleeper &

cs31shell> ./sleeper 10 &

cs31shell> ps
    PID TTY          TIME CMD
2368939 pts/15   00:00:00 bash
2369011 pts/15   00:00:00 cs31shell
2369086 pts/15   00:00:00 sleeper
2369097 pts/15   00:00:00 sleeper
2369113 pts/15   00:00:00 sleeper
2369114 pts/15   00:00:00 ps

# Wait for some time to pass...

cs31shell> ps
    PID TTY          TIME CMD
2368939 pts/15   00:00:00 bash
2369011 pts/15   00:00:00 cs31shell
2369194 pts/15   00:00:00 ps

cs31shell> blah
blah: command not found

cs31shell> ps
    PID TTY          TIME CMD
2368939 pts/15   00:00:00 bash
2369011 pts/15   00:00:00 cs31shell
2369284 pts/15   00:00:00 ps

cs31shell> cd

cs31shell> pwd
/home/kwebb

cs31shell> cd cs31/weeklylab/week02

cs31shell> pwd
/home/kwebb/cs31/weeklylab/week02

cs31shell> ls
Makefile    readfile.h	testfile.c  testprog.c	 types_scanf.c	values2
readfile.c  testfile	testprog    types_scanf  values1

cs31shell> cd

cs31shell> pwd
/home/kwebb

cs31shell> exit
Bye!