df

The df command in Linux displays information about file systems, showing details such as mounted filesystems, their sizes, used space, available space, and usage percentages. It’s a versatile tool for checking disk space and can be customized with various options.

Command examples:

df

Display all mounted filesystems.

df -i

Show inode information instead of disk blocks.

df -h

Output sizes in GB, MB, etc., for easier reading.

In conclusion, df is an essential command for monitoring disk usage and filesystem status in Linux. Its flexibility with options makes it a valuable tool for system administrators and users alike to manage and monitor storage efficiently.