Write the LINUX commands for the following:
a. Set the permissions of exam.txt so that only the owner can read and write, and others have no access
Display the current permissions of exam.txt using ls -1.
c. Change the owner of exam. Ixt to another user using chown (if allowed).
d. Grant read permission to a specific user using setfacl.
e. Use the we command to count the number of lines, words, and characters in exam.IXI.
f. Find all occurrences of a specific word (eg., "Linux") in exam Ixt using grep.
g. Sort the lines of a file named data txt alphabetically using sort.
h. Remove duplicate lines from data.txt using uniq.
i. Redirect the output of the Is command into a file named output.txt.
j. Check the connectivity to a specific website (eg, google.com) using ping.
a. Set the permissions of `exam.txt` so that only the owner can read and write, and others have no access:
```bash
chmod 600 exam.txt
```
b. Display the current permissions of `exam.txt` using `ls -l`:
```bash
ls -l exam.txt
```
c. Change the owner of `exam.txt` to _________ ____ _____ ________ _______ __________ ________.
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