upto level10

Signed-off-by: ayushka11 <[email protected]>

Author: ayushka11

level10.md

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+## **level10**
+
+`base64` command is used to encode strings into base64, to decode use the -d flag.
+
+`cat data.txt | base64 -d`
+
+save the psswd and exit.
+

level6.md

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+## **level6**
+
+`find` command with group and user flag for conditions.
+
+`find / -type f -size 33c -group bandit6 -user bandit7`
+
+we'll  get the file, `cat` it to get the psswd, save it and exit.
+

level7.md

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+## **level7**
+
+`grep` is used to find something in a file.
+
+use `cat data.txt | grep millionth` to get the psswd.
+
+save it and exit.
+

level8.md

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+## **level8**
+
+using sort and uniq commands to find a line which is not repeated, ie unique.
+
+`cat data.txt| sort | uniq -u` to print the line which is unique and has count 1.
+
+save the psswd and exit.

level9.md

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+## **level9**
+
+we need to use `strings` command.
+
+it is similar to `cat` but only prints out ascii characters.
+
+`strings data.txt | grep ==` , 'grep ==' because the password is next to multiple '='s.
+
+save the psswd and exit.