--- title: "Paramveer Singh (@psparamgill) | Hashnode" description: "Paramveer Singh (@psparamgill) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@psparamgill" --- @psparamgill # Paramveer Singh @psparamgill · Delhi, India · Joined March 2023 ### [Introduction to Docker for DevOps](https://paramgill.hashnode.dev/introduction-to-docker-for-devops?utm_source=hashnode&utm_medium=feed) A Little Bit of Container History Docker is a container runtime. A lot of people think that Docker was the first of its kind, but this is not true – Linux containers have existed since the 1970s. Docker is important to both the development community ... 4 min read · [paramgill.hashnode.dev](https://paramgill.hashnode.dev/introduction-to-docker-for-devops?utm_source=hashnode&utm_medium=feed) [Apr 9, 2023](https://hashnode.com/posts/introduction-to-docker-for-devops/6432b26ff15e77b0eb28fb4d) ### [Day 12 - What is Git and GitHub?](https://paramgill.hashnode.dev/day-12-what-is-git-and-github?utm_source=hashnode&utm_medium=feed) What is Git? Git is a free, open-source version control software. It was created by Linus Torvalds in 2005. This tool is a version control system that was initially developed to work with several developers on the Linux kernel. This basically means ... 3 min read · [paramgill.hashnode.dev](https://paramgill.hashnode.dev/day-12-what-is-git-and-github?utm_source=hashnode&utm_medium=feed) [Apr 2, 2023](https://hashnode.com/posts/day-12-what-is-git-and-github/6429bbe1005af0c9273db26b) ### [Day 11 - Basic Linux Shell Scripting](https://paramgill.hashnode.dev/day-11-basic-linux-shell-scripting?utm_source=hashnode&utm_medium=feed) Shell scripting -> A shell script is a list of commands in a computer program that is run by the Unix shell which is a command line interpreter. A shell script usually has comments that describe the steps. The different operations performed by shell ... 2 min read · [paramgill.hashnode.dev](https://paramgill.hashnode.dev/day-11-basic-linux-shell-scripting?utm_source=hashnode&utm_medium=feed) [Apr 1, 2023](https://hashnode.com/posts/day-11-basic-linux-shell-scripting/6427950c19f37638ed5aaee1) ### [Day 9 and 10 - Task Scheduling in Linux with cron and at command](https://paramgill.hashnode.dev/day-9-and-10-task-scheduling-in-linux-with-cron-and-at-command?utm_source=hashnode&utm_medium=feed) AT -> The at command is the terminal method of allowing you to schedule on-time jobs for a specific time and date.It executes commands at a particular time and accepts times of the form HH:MM to run a job at a specific time of day. The following expr... 3 min read · [paramgill.hashnode.dev](https://paramgill.hashnode.dev/day-9-and-10-task-scheduling-in-linux-with-cron-and-at-command?utm_source=hashnode&utm_medium=feed) [Mar 29, 2023](https://hashnode.com/posts/day-9-and-10-task-scheduling-in-linux-with-cron-and-at-command/6423e72f58f1abebbeac1da4) ### [Day 8 - User and Group Management in Linux](https://paramgill.hashnode.dev/day-8-user-and-group-management-in-linux?utm_source=hashnode&utm_medium=feed) The manage user and groups account is the core part of Linux operating system. Each user has distinct login credentials in operating system to manage customize privileges in to user and group account. Each user and group got default unique ID’s add t... 4 min read · [paramgill.hashnode.dev](https://paramgill.hashnode.dev/day-8-user-and-group-management-in-linux?utm_source=hashnode&utm_medium=feed) [Mar 27, 2023](https://hashnode.com/posts/day-8-user-and-group-management-in-linux/6421f1358c4de217936e86c3)