All About Linux.

tar turns a folder into a single file on any Linux system, and the same command compresses it on the way. Understanding the option string is the whole job, because tar -czvf stacks four unrelated jobs into one word. What the letters in tar -czvf are doing Read the string as four jobs rather than

A dual boot keeps Ubuntu in three places, and the partition is only one of them. The root filesystem sits on its own partition, the bootloader sits on the EFI system partition, and the firmware keeps a pointer to that bootloader in its own boot list. Delete the partition on its own and the machine

Changing the DNS server on Linux sticks only when the command lands where the component that owns the setting reads it. On Ubuntu, Fedora, Debian, and Arch that component is systemd-resolved, and /etc/resolv.conf is a symlink it rebuilds. NetworkManager and netplan hold the same value on the machines where they own the connection, which is

A server you SSH into has its own idea about which editor you should use, and it rarely matches yours. Terminal based text editors come in two families, and the family decides how long your first edit takes. Modal editors such as Vim give you a keystroke grammar that pays off across a long session

Slack’s Linux download page never prints a version number, so the choice between four package formats is made blind. All of them carry the same build today, and it is 4.52.155. I compared the checksum of the .deb from Slack’s download host against the one in Slack’s own apt repository index, and I read the

chown changes the owner and the group of a file or a directory on Linux, and nothing else. The command writes the two fields that sit beside the permission string in a long listing, and the permission string belongs to a different program. What sends readers searching is the reporting. The change line names the