Write a command to print first and last line using sed command?

742

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Write a command to find the sum of bytes (size of file) of all files in a directory?

831

---

Write a command to print the fields in a text file in reverse order?

810

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On which types of component can we create a custom directive?

821

---

What are the core differences between observables and promises?

812

---

What is the difference between structural and attribute directives in angular?

899

---

When should you use json web tokens?

813

---

Why you use browsermodule, commonmodule, formsmodule, routermodule, and httpclientmodule?

972

---

Explain ng-repeat directive ?

750

---

What is architecture overview of angular?

860

---

Explain ngmodule?

810

---

What types of ngmodules?

866

---

What is angular cli? List the command to install angular cli?

851

---

What is json web token?

823

---

What is @outputs in angular?

801

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