In order to improve your system’s security you decide to implement shadow passwords. What command should you use?

911

---

In order to display the last five commands you have entered using the fc command, you would type?

907

---

You wish to restore the file memo.ben which was backed up in the tarfile mybackup.tar. What command should you type?

902

---

You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?

1038

---

You have a tab delimited file called phonenos and want to change each tab to four spaces. What command can you use to accomplish this?

1024

---

How can you copy lines into the buffer in command mode?

1043

---

Explain shift command of linux?

1063

---

What command should you use to check your file system?

977

---

What are the process states in linux?

776

---

Explain each system calls used for process management in linux.

849

---

You have a file called docs.z but do not know what it is. What is the easiest way to look at the contents of the file?

881

---

Which transistor is used in each cell of eprom?

893

---

How do you start a job on background?

847

---

You have a file called sales data and create symbolic links to it in bob’s home directory. Bob calls you and says that his link no longer works. How can you fix the link?

857

---

What is linux shell?

862

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