Teaching:
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| 1 | cat /etc/motd cat /etc/SUSE-brand /etc/os-release |
| 2 | cat foo baz # press Ctrl+d |
| 3 | cat /usr/share/doc/mpich/user.pdf cat -v /usr/share/doc/mpich/user.pdf |
| 4 | paste /etc/os-release /etc/os-release |
| 5 | hexdump -C /usr/share/themes/Breeze/assets/line-h.png |
| 11 | date > file |
| 12 | date >> file |
| 13 | cat /etc/motd /etc/shadow 2> file |
| 14 | find /var/spool/ 2> /dev/null |
| 15 | find /var/spool/ > out 2> err |
| 16 | find /var/spool/ &> out_and_err |
| 17 | echo 'print("hello " + __file__)' > file python < file # compare with python file |
| 18 | hexdump -C << EOF foo baz bar€and®foobar EOF |
| 19 | bc sqrt(2.0000) quit bc <<< 'sqrt(2.0000)' |
| 20 | bc <<< 'sqrt(2.0000)' > file |
| 21 | cat /etc/motd >&- find /var/spool/ 2>&- |
| 22 | cp /etc/services . hexdump <>services 1>&0 # hexdump reads a chunk of data, outputs (in the middle of the file) the hex dump, # and repeats this until it processes whole file. |
| 23 | cat /etc/motd /etc/shadow 3>&1 1>&2 2>&3 | rev |
| 25 | echo 'some text' | xxd |
| 26 | ls | cat ls | cat -n |
| 27 | ps -eF | fold |
| 28 | Work in progress... | |
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