Some common commands which males our life simpler

BashHelp

echo */ | wc  --> Count the number of directories in a folder

for f in *\ *; do mv "$f" "${f// /_}"; done --> replace spaces in folder names, not recursive

for f in model/* ; do mv "$f" `echo "$f" | sed 's/_//g'` ; done --> Remove underscores from  the file names

./sout.py 2>&1 | tee test.txt --> To print the logs to the terminal as well as save them to a text file