Answer Posted / giridhar tarare

uniq command search the uniq data in file and if some
duplicate date then it put only single records in report.

For Example: cat testnumber.txt | uniq <enter>

File contents:
1233
456
678
1233
678

output file shows:
1233
456
678

Write a command to display a file’s contents in various formats?

1148

---

Which command can you use to find the currently running process in unix server?

1069

---

What is the behavioural difference between cmp and diff commands?

1211

---

Explain command to view process running?

1066

---

What are the differences among a system call, a library function, and a unix command?

1147

---

What does sed command do in unix?

1113

---

How can we use grep command in unix?

1139

---

What is awk used for?

1077

---

What is grep in bash?

1006

---

What is the use of the tee command?

1053

---

Explain command to display different lines that are found when compare two files?

1105

---

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

1249

---

How do you repeat a command in terminal?

1151

---

What do chmod command do?

1136

---

How do I use grep to find a file?

1057

---