File viewing tools

• finding the classification of a file

$ file /bin/sh

• conCATenate a file, and send it to the screen:

$ cat ~./profile

• listing the contents of a file

$ more /etc/rc

$ less /etc/rc

$ head -15 /etc/rc

$ tail /etc/rc

• counting words/lines/characters in a file $ wc

lt90

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