command: df
purpose: df command displays the information of device name,
total blocks, total disk space, used disk space, available
disk space and mount points on a file system
syntax: df [OPTION]... [FILE]...
examples:
1. To check file system usage
$ df
2. To Display Information of all File System Disk Space Usage
$ df -a
3. To Show Disk Space Usage in Human Readable Format
$ df -h
4. To Display Information of /home File System
$ df -Th /home
5. To Display Information of File System in Bytes, MB, GB respectively
$ df -k
$ df -m
$ df -h
6. To Display File System Inodes
$ df -i
7. To display information of df command
$ df --help
8. To print file system type
$ df -T
9. To print limit listing to file systems not of type ext2
$ df -x ext2
10. To limit listing to file systems of type ext4
$ df -t ext4
regards,
dhanasekar
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