How to use the apt-get package management tool?
apt-get is a command-line tool in the Ubuntu OS used for installing, removing, upgrading, and updating packages. It can also be employed to upgrade the entire operating system. 1) Updating…
About Bash Special variables and differences between $*, “$*”, $@, “$@”?
Bash scripts offer a range of special variables that prove incredibly valuable when handling arguments within a Bash script. $0 Prints filename of the script.$1, $2 ….. $n $1 is the…
why do we need to use nice and ionice?
Schedule the Linux process CPU priority with nice? By default, every process is assigned the same CPU scheduling priority level. Consequently, the kernel strives to allocate a fair amount of…