What do I need to know about lsblk command?
The first column lists device names, followed by corresponding major and minor device numbers, whether or not the device is removable (1 in case it is), size of the device, whether or not the device is read only, type of device (disk, partition, etc), and finally the device’s mount point (if available). Q2.
How does lsblk print size in human readable form?
By default, lsblk prints size information in human readable form. While this good, there are times when you may need size in bytes. What’s good is that there’s an option (-b) that does this. So you can see the ‘Size’ column now contains entries in bytes.
How to make lsblk print size info in bytes?
By default, the lsblk command only displays non-empty devices. However, you can force the tool to display empty devices as well. For this, use the -a command line option. For example in my case, the above command produced the following output: The ‘loop 13’ row is the new addition in this case. Q3. How to make lsblk print size info in bytes?
What are the device numbers in ls-l?
If you issue the ls -l command, you’ll see two numbers (separated by a comma) in the device file entries before the date of last modification, where the file length normally appears. These numbers are the major device number and minor device number for the particular device.
Is there way to show empty devices in lsblk?
By default, the lsblk command only displays non-empty devices. However, you can force the tool to display empty devices as well. For this, use the -a command line option.
Can you force lsblk to use ASCII characters?
By default, the type of tree formatting lsblk uses may not be user friendly in many cases. For example, copy-pasting it may cause formatting issues. So if you want, you can force the tool to use ascii characters for tree formatting, something which you can do using the -i command line option.