linux shell

The nl command numbers, by default, all non-blank lines in a file. Used without any options, nl numbers each non-blank …

The od (stands for octal dump) command displays a file in octal (base 8) format by default. It is often used …

The alias command is used in Linux to create a shortcut (alias) to any command and options. Aliases are usually …

To bring your Linux system down in a secure way and prevent users from logging in during the process, you can …

The cut command is used for text-filtering. It can be used to print selected parts of lines from a file. …

The dd command is used to archive a filesystem at a very low level. You can use this command to …