File system¶

find . -name index.html

find /path/to/search  -name "xyz-abc" -type d

du -M --max-depth=1      #current folder
du -sh /var              #only the total size
du -shc /var/*           #folder and subfolders, c for grand total
du -h --max-depth=1 /var #each folder in var folder
du -h -d 1 | sort -h     #first subfolders only
du -h /var/ | sort -rh | head -5 #top 5 largest directories

cat > filename
#input and then Ctrl+D to exit

mkdir

chmod g+w filename
chmod g-wx filename
chmod o+w filename
chmod o-rwx foldername

chown <owner-name> <filename>
chown -R user:user /myfolder  #change folder and content owner/group names
sudo chown -R <username>:<username> ./conda-build
chgrp <group-name> <filename>