Build Your Own jq Command Line Tool

jq is a command line tool for parsing and extracting data from json. ...

Build Your Own NTP Client

An NTP client helps keep your local machine / server’s time in sync with other machines and perhaps authoratitive clocks. ...

Build Your Own Port Scanner

A port scanner is an program that probes a host to identify open network ports. Malicious actors use port scanners to find network services running on a host in order to find and exploit vulnerabilities. Security analysts and network administrators use port scanners to confirm network security policies are being complied with. ...

Build Your Own sed Command Line Tool

sed is a Unix command line tool. ...

Build Your Own sort Command Line Tool

Sort is a Unix command line tool. ...

Build Your Own tar Command Line Tool

Tar is a Unix command line tool. It was designed as a utility to collect multiple files into one archive for backup purposes. It was first released in 1979 when the normal backup medium was magnetic tape, hence tar acquired it’s name as shortening of “tape archive”. ...

Build Your Own tr Command Line Tool

tr is a Unix command line tool. ...

Build Your Own uniq Command Line Tool

uniq is a Unix command line tool. ...

Build Your Own wc Command Line Tool

wc is a Unix command line tool. ...

Build Your Own xargs Command Line Tool

xargs is a Unix command line tool it allows you to construct argument list(s) and execute utility commands. ...