lsblk

command filesystem

List information about block devices

Options

Device

Specific device to list (empty for all)

Show filesystem info (-f) Show filesystem info (-f)

Show all devices including empty (-a) Show all devices including empty (-a)

Print SIZE in bytes (-b) Print SIZE in bytes (-b)

Print complete device path (-p) Print complete device path (-p)

JSON output (-J) JSON output (-J)

Output in JSON format for scripting

No dependencies (-d) No dependencies (-d)

Show only top-level devices without partitions

No headings (-n) No headings (-n)

Suppress column headings (useful for scripting)

Output columns (-o)

Comma-separated column names (e.g. NAME,SIZE,TYPE,MOUNTPOINT)

lsblk