Change directory name or rename a directory in Ubuntu

# Rename directory on current path
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mv old_dir_name new_dir_name

# Rename directory using directory path
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mv /var/etc/old_dir_name /var/etc/new_dir_name

# Second method - gvfs-move command
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gvfs-move /home/user/old_dir_name /home/user/new_dir_name