Answer Posted / rajendra prasad reddy penumall

demountable volues are Floppy disk,CD disk and USB memory
devices
these are secondary storage devices,these can be
demountable devices

--understood

What is the use of the command 'ls -x chapter[1-5]' ?

1221

---

What do chown command do?

1204

---

Explain mount and unmount command.

1230

---

Why is it called grep?

1037

---

What is updatedb?

1059

---

What is “chmod” command?

1189

---

What does the command '$ls | wc –l > file1' do?

1242

---

What is the nmap command?

1199

---

What is the use of the tee command?

1102

---

What is command substitution?

1385

---

What is grep r?

1110

---

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1320

---

Describe the zip/unzip command using gzip.

1167

---

Which command is used to create a directory?

1176

---

Can you explain a little bit about command substitution?

1119

---