Bash allows you to perform pattern replacement using variable expansion like (${var/pattern/replacement}). And so, does sed like this (sed -e ‘s/pattern/replacement/’)....
`sed` is a useful text processing feature of GNU/Linux. The full form of `sed` is Stream Editor. Many types of simple and complicated text processing...
In the digital age, the demand for IP addresses, especially IPv4 and IPv6, is ever-increasing. Renting subnets like /23, /24, /48, /32 is not only an effective...