Listing Files In a Directory

ls

list the files in the current directory

ls *.c

list the files which end ".c"

ls mydir/

list the files in directory mydir

ls -a

list ALL files, even ones which begin with a dot, which are normally omitted

ls -s

list files, with their sizes

ls -l

list files, giving full details about each file

ls -al mydir/

list all files in directory mydir (including those beginning with a dot), giving full details about each file