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1.1 ! root 1: #print ! 2: In the basic files course you learned about the "ls" command ! 3: for listing the names of files in the current directory. ! 4: You will now learn some of the extra abilities of "ls". ! 5: UNIX maintains a lot more information about a file than just ! 6: its name; this extra information includes the size of the ! 7: file, the date and time it was last changed, the owner, ! 8: and scattered other miscellany. To see this "long" list of information, ! 9: use the command "ls -l". (That's an "ell", not a "one".) ! 10: The "-l" is called an "optional argument", ! 11: since it may or may not be present. ! 12: ! 13: To begin, try just "ls -l", then type "ready". ! 14: #create junk ! 15: this is garbage ! 16: #copyin ! 17: #user ! 18: #uncopyin ! 19: #match ls -l ! 20: #log ! 21: #next ! 22: 0.1b 10
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