--- title: "sonu mishra (@Sonumishra007) | Hashnode" description: "AWS DevOps Engineer. Read the latest articles by sonu mishra on Hashnode." url: "https://hashnode.com/@Sonumishra007" --- @Sonumishra007 # sonu mishra @Sonumishra007 · Surat, Gujrat · Joined June 2023 AWS DevOps Engineer ### [Day-5: File Permissions and Access Control Lists.](https://mishraji.hashnode.dev/day-5-file-permissions-and-access-control-lists?utm_source=hashnode&utm_medium=feed) • File Permissions : All the three owners (user owner, group, others) in the Linux system have three types of permissions defined. Nine characters denotes the three types of permissions. Read (r) : The read permission allows you to open and read the... 3 min read · [mishraji.hashnode.dev](https://mishraji.hashnode.dev/day-5-file-permissions-and-access-control-lists?utm_source=hashnode&utm_medium=feed) [Jul 7, 2023](https://hashnode.com/posts/day-5-file-permissions-and-access-control-lists/64a791709187df2347521d58) ### [Day-4: Advanced Linux Shell Scripting for DevOps Engineers with User management.](https://mishraji.hashnode.dev/day-4-advanced-linux-shell-scripting-for-devops-engineers-with-user-management?utm_source=hashnode&utm_medium=feed) Write a bash script createDirectoriess1.sh that when the script is executed with three given arguments (one is the directory name and second is the start number of directories and the third is the end number of directories ) it creates a specified nu... 4 min read · [mishraji.hashnode.dev](https://mishraji.hashnode.dev/day-4-advanced-linux-shell-scripting-for-devops-engineers-with-user-management?utm_source=hashnode&utm_medium=feed) [Jun 28, 2023](https://hashnode.com/posts/day-4-advanced-linux-shell-scripting-for-devops-engineers-with-user-management/649c73f514bfca2d7562c4c6) ### [Day-3: Basic Linux Shell Scripting for DevOps Engineers.](https://mishraji.hashnode.dev/day-3-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) • What is Kernel..? \\> A kernel is a central component of an operating system that acts as an interface between the user applications and the hardware.\\> The aim of the kernel is to manage the communication between the software (user level applicatio... 4 min read · [mishraji.hashnode.dev](https://mishraji.hashnode.dev/day-3-basic-linux-shell-scripting-for-devops-engineers?utm_source=hashnode&utm_medium=feed) [Jun 27, 2023](https://hashnode.com/posts/day-3-basic-linux-shell-scripting-for-devops-engineers/649acf4973f595cbdbfc7797) ### [Day2: Basic of Linux Commands(Part-2)](https://mishraji.hashnode.dev/day2-basic-of-linux-commandspart-2?utm_source=hashnode&utm_medium=feed) • Linux command to view what’s written in a file: 1. CatThis is the simplest and perhaps the most popular command to view a file in Linux. 2. nlThe nl command is almost like the cat command. The only difference is that it prepends line numbers while ... 4 min read · [mishraji.hashnode.dev](https://mishraji.hashnode.dev/day2-basic-of-linux-commandspart-2?utm_source=hashnode&utm_medium=feed) [Jun 25, 2023](https://hashnode.com/posts/day2-basic-of-linux-commandspart-2/6497f030cd4da6851e9943ce) ### [Day-1: Linux and It’s Basics Linux Commands](https://mishraji.hashnode.dev/day-1-linux-and-its-basics-linux-commands?utm_source=hashnode&utm_medium=feed) Here is #day1 . I will give short outline on what is Linux, Benefits of Linux, Popular Linux distribution, Basic of Linux commands, Listing commands, Nested directory. • What is Linux..? ⁃ LINUX is an operating system or a kernel distributed under a... 3 min read · [mishraji.hashnode.dev](https://mishraji.hashnode.dev/day-1-linux-and-its-basics-linux-commands?utm_source=hashnode&utm_medium=feed) [Jun 22, 2023](https://hashnode.com/posts/day-1-linux-and-its-basics-linux-commands/64949043f012983651c32b8d)