Browsing Category
Linux
147 posts
Linux is a Unix-like operating system. It is a free and open-source operating system, which means that it is available to everyone to use and modify. Linux is used by millions of people around the world, and it is the operating system of choice for many servers, supercomputers, and embedded devices.
swapoff Command in Linux: Complete Guide to Disabling Swap Space and Parameters
swapoff is the quieter sibling of swapon — less frequently used, but genuinely important to understand well, because…
mount Command in Linux: Complete Guide to Mounting File Systems and Parameters
mount was one of the first commands that made me actually understand Linux’s storage model instead of just…
mkswap Command in Linux: Complete Guide to Creating Swap Space and Parameters
mkswap doesn’t get much attention because it’s a “run once and forget” kind of command — you use…
mknod Command in Linux: Complete Guide to Creating Device Nodes and Parameters
I still remember the first time I broke a chroot environment because I forgot that /dev inside it…
mkfs Command in Linux: Complete Guide to Building File Systems and Parameters
Every time I set up a new server, a new VM disk, or a USB drive, there’s a…
fsck Command in Linux: Complete Guide to File System Checking, Repair, and Parameters
There’s a very specific kind of dread that comes with a boot process stopping at Give root password…
fdisk Command in Linux: Complete Guide to Disk Partitioning and Parameters
Partitioning a disk feels like a bigger deal than it actually is the first few times you do…
fdformat Command in Linux: Complete Guide to Formatting Floppy Disks and Parameters
I’ll be upfront about this one: fdformat is a command from an era of computing that’s genuinely gone.…
du Command in Linux: Complete Guide to Disk Usage Estimation and Parameters
I use du almost every week, usually in the exact same panicked context: a disk is filling up…
df Command in Linux: Complete Guide to Disk Space Reporting and Parameters
df is usually the very first command I run when a server alert fires for low disk space,…