Linux

df -k // Tells you how much space is being used.

cp -R Extract/ $J // Copies the directory Extract and all the files in it to $J

setenv J /hires/xavier/alpha/JWReduction/ // Sets it so that cd $J goes there.

If the screen makes everything go black or look weird hit the following:

ctrl + alt + F1
and then alt + F7

sudo chown -R jonathan .

changes ownership recursively to be user jonathan the working directory.

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