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

791

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

879

---

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

860

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

870

---

What are the core differences between observables and promises?

867

---

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

960

---

When should you use json web tokens?

863

---

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

1043

---

Explain ng-repeat directive ?

796

---

What is architecture overview of angular?

928

---

Explain ngmodule?

860

---

What types of ngmodules?

912

---

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

893

---

What is json web token?

860

---

What is @outputs in angular?

855

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