1 cd Desktop/cse374/;ls -l 2 exit 3 cd Desktop/cse374/ 4 ls -l 5 djpeg mtn.jpg > xyzzy 6 ls -l 7 djpeg mtn.jpg | pnmscale -xysize 200 300 | cjpeg > tiny.jpg 8 ls -l 9 echo whoami 10 echo * 11 echo *.jpg 12 echo `whoami` 13 whoami 14 ls -l * 15 tar xfv lec3scripts.tar 16 cat listhome 17 ls -l 18 pwd 19 cd;ls;pwd 20 cd Desktop/cse374/ 21 ls -l 22 cat listhome 23 listhome 24 echo $PATH 25 pwd 26 /home/perkins/Desktop/cse374/listhome 27 pwd 28 ~perkins/Desktop/cse374/listhome 29 ~/Desktop/cse374/listhome 30 ./listhome 31 ls 32 cat dcdls 33 ./dcdls too many arguments 34 [ 1 -eq 1 ] 35 cat countdown 36 ./countdown 37 ./countdown hello 38 ./countdown hi there 39 ./countdown one 2 iii quatrod 40 set 41 set | more 42 echo $FOO 43 FOO=17 44 echo $FOO 45 bash 46 export BAR=42 47 bash 48 history > lec4.history