Posts

Some Advance unix commands

• crontab, tail, Screen, grep, compress, wc

CRONTAB

• The crontab is a list of commands that you want to run on a regular schedule

# Shows all Crontab
crontab -l

# Edit Crontab
crontab -e

# Remove all cron tab --> Be careful
crontab -r

Unix Intermediate commands

• lsof, kill, ifconfig
• chmod wget
• who whois
• Print user detail

# users name
who

# time of last system boot
who -b

Bread and Butter Commands - all important

• This article provides practical examples of most frequently used commands in Linux/UNIX.

man - Super Important
cd ( Understand flags - dot ., double dot .., tilda~, dash -)
mkdir, mv
cp with recursive flag
ls with different flags
pwd, rm, sudo, apt
touch, cat, less, more
tail, rsync, grep
find - Super Important
sort, date, wc
tree (needs to be installed additionally)

Linux File Ownership

• Every file and directory on your Unix/Linux system is assigned 3 types of owner, given below.
• User
  • Owner of the File
  • User also called an owner
• Group
  • User-group can contains multiple users
  • All users in the group have the same file permissions
• Other
  • Any other user who has access to the file
  • Does not own the file nor belong to a User-group

Unix/Linux

Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others

Diagram

• True your code to beautiful diagrams

1. Markmap
   • Markdown language to diagram
2. Diagrams
   • Draw the cloud system architecture in Python code.
3. DBML
   • Database Markup Language

• Markdown is a lightweight markup language for creating formatted text using a plain-text editor
• People use it to create websites, documents, notes, books, presentations, email messages, and technical documentation.

Common for both FrontEnd and Backend

• Sign up for FreeCodeCamp
  • Make your profile public
  • Complete Responsive Web Design Certification
  • Complete JavaScript Algorithms and Data Structures Certification
• OS: Install Linux
  • macOS or Any flavour of Linux(Ubuntu is widely used)
  • SNC: Guide to Dual Boot Windows and Ubuntu
  • Or Direclt only install Ubuntu

Tax Planning

• Tax planning for Salaried person has been already discussed
• Taxable Income = Salary - Exemption - Deduction
• read here

Below will check tax planning for Professions and Business

3.1 Financial Year vs Assessment Year

• Financial Year (FY)
  • The period between 1 April and 31 March – the accounting year in which you earn an income
• Assessment year (AY)
  • The year that comes after the FY
  • The time in which the income earned during FY is assessed and taxed