xx@xxxxer:~/Podcasts$ ls resume.c resume.h resume.txt summer_resume.txt xx@xxxxer:~/Podcasts$ echo * resume.c resume.h resume.txt summer_resume.txt xx@xxxxer:~/Podcasts$ echo *.txt resume.txt summer_resume.txt xx@xxxxer:~/Podcasts$ echo resume.[ch] resume.c resume.h xx@xxxxer:~/Podcasts$ echo resume.? resume.c resume.h