checkinprogram only runs on CS Department Linux machines. It won’t run on your home computer, or on a Windows computer.
cdto the subdirectory containing the file(s) to check in.
moreso that you’re sure it’s what you’ve been working on.
HWx should be whichever homework you are submitting (such as HW3 or
HW1), and filenames should be replaced with whatever filenames you
want so submit. You don’t need to submit all of the files at the
same time if you don’t want to. One at a time is fine as well,
they will only overwrite the older files if they have the SAME name.
checkin program will tell you some messages. Hopefully, they
will say encouraging things like "Checkin successful", and the
current date/time, and other useful information. It will also
tell you if it has made any backups of older files.
First, login to one of the Linux Lab computers (if you aren’t on one already).
To get a list of the files for a particular homework assignment:
To look at a particular file that you checked in:
~cs253/bin/peek HWx filename
~cs253/bin/peek HWx filename | more
However, if you turned in the assignment late, it will get renamed—see the next section.
If you turn in your homework after the Due Date (see above), but before
the Drop Dead Date, the assignment will get renamed: the file
LATE_foo.c. This is so that the people grading the
homework will know that it’s late. This renaming may affect the results
you get from the
To see all your grades for this class:
To see just the grade for a particular assignment, along with any remarks from the grader:
You may not like typing in such long commands.
In that case, you can add aliases to your
alias ci253='~cs253/bin/checkin' alias pk253='~cs253/bin/peek'
The effect would be that you would only need to type:
ci253 HW2 myfile.txt
~cs253/bin/checkin HW2 myfile.txt
Let’s say you wanted to turn in a file
Results.txt for homework #2:
% cd ~/Assignment2 % ls Results.txt SomeOtherFile.txt SomeThingElse.txt % ~cs253/bin/checkin HW2 Results.txt Checking in files for assignment 'HW2' Current time is: Sun Mar 24 04:27:00 2019 Assignment is ON TIME! If you wish, you may turn in another (presumably better) version up until Mon Mar 25 12:00:00 2019 and it will replace this version. File Results.txt was checked in.
Now, suppose you made a mistake and wish to fix it and submit a new copy..
% vi Results.txt % ~cs253/bin/checkin HW2 Results.txt Checking in files for assignment 'HW2' Current time is: Sun Mar 24 04:47:34 2019 Assignment is ON TIME! If you wish, you may turn in another (presumably better) version up until Mon Mar 25 12:00:00 2019 and it will replace this version. Renaming old Results.txt to Results.txt.old File Results.txt was checked in. % ~cs253/bin/peek Size Date Time Assignment File ---------- --------------- -------- ---------- ---- 13703 Sun Mar 24 2019 04:47:34 HW2 Results.txt 13814 Sun Mar 24 2019 04:27:00 HW2 Results.txt.old 2 Files listed