Explain the method of changing file access permission?

600

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What are the pros of executing processes in the background?

535

---

What is the ‘nohup’ in unix?

585

---

Can you explain what does the kernel do?

572

---

What is alias mechanism? Explain.

626

---

Enlist common shells with their indicators.

603

---

Name the key features of the korn shell.

624

---

Explain the following statement, “it is not advisable to use root as the default login.”

567

---

How can you edit a large file without opening it in unix?

586

---

How would you display the last line of a file?

564

---

Explain file system in unix.

574

---

Differentiate swapping and paging.

549

---

Explain the term filter.

595

---

What do you understand by unix shell?

579

---

How can you count the number of characters and lines in a file?

601

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