1 clear;cd Desktop/;ls -l 2 echo pwd > pwdcmd 3 ls -l 4 cat pwdcmd 5 source pwdcmd 6 emacs 7 ls -l 8 cat pwdcmd 9 source pwdcmd 10 cd /bin 11 ls 12 ls -l ls 13 ls -l dd df 14 ls -l p* 15 ls -l *p* 16 ls -l *p*p* 17 ls -l *f*f* 18 ls -l *e*e* 19 echo *e*e* 20 alias 21 cd 22 ls -a 23 ~~~cat .bashrc 24 cat .bashrc 25 emacs & 26 cd Desktop/ 27 ls -l 28 cd 29 emacs & 30 cat .emacs 31 cd Desktop/;ls -l 32 djpeg mtn.jpg | pnmscale -xysize 100 150 33 ls -l 34 djpeg mtn.jpg | pnmscale -xysize 100 150 | cjpeg > tiny.jpg 35 ls -l 36 date 37 echo date 38 echo `date` 39 echo pwd 40 echo `pwd` 41 echo `date` 42 datge 43 echo "`date`" 44 echo '`date`' 45 echo "$SHELL" 46 echo '$SHELL' 47 history > lec3.history