Write the command in fedora that can be used to perform the following:

a. Compress the symbolic link /root/sfile using the compress utility and display the compression ratio.

b. Compress the contents of the directory /root/dir1 using the gzip utility and display the compression ratio.

c. Decompress the file /root/letter.bz2.

d. Compress the file /root/letter using gzip fast compression.

e. Find the compression ratio of the file /root/letter.gz.

f. Perform a test compression of the file /root/sample using the bzip2 utility.

g. Compress the file /root/sample using the bzip2 utility while minimizing memory usage during the compression.