Explain command to show the space allocation of files?

835

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Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

812

---

What does 'mkdir' command do in UNIX?

907

---

How to check logs in unix?

780

---

How many socket connections can a server handle?

631

---

What is $# in unix?

697

---

What is fork()?

789

---

What is the root directory in unix?

694

---

How many root directories exist in unix?

749

---

What is unix language?

669

---

How do we change file access permissions?

797

---

What is the difference between grep and grep?

798

---

Suppose I have one column with data smithjohnmichale the o/p should be smith,john, michale how we do in unix?

634

---

Why sockets are used?

671

---

Define a process group.

707

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