How to reallocate directory space in Linux?

To reallocate space in directories on Linux, you can follow these steps.

1. To confirm the current space usage of a directory, you can use the following command to view the directory size:
2. Show the size of the directory in human-readable format.
3. If the partition where the directory is located has enough available space, you can directly allocate it. If not, you will need to either expand the partition or move the directory to a larger partition.
4. The specific way to allocate space depends on the type of file system you have. Here are the common methods of allocating space for several types of file systems:
5. The ext2/ext3/ext4 file system can be resized using the resize2fs command, for example:
   resize2fs
6. XFS file system: Adjust the partition size using the xfs_growfs command, for example:
   xfs_growfs
7. Btrfs file system: Use the command “btrfs filesystem resize” to adjust the partition size, for example:
   btrfs filesystem resize max
8. Please choose the appropriate command for allocating space based on your file system type.
9. After the distribution is completed, you can use the “du” command again to verify if the directory’s space usage has been updated.

Before making any partition adjustments, be sure to back up important data to prevent data loss. Also, ensure you have sufficient knowledge of Linux system operations or seek assistance from professionals.