Answer / arun sarangi

Mutex is a global variable in critical section problem
algorithm,based on its value, gives permissing to a process
to enter into the critical section for the utilization of
shared resouce(critical section).

Answer / chinavenkanna babu

Mutual exclusion (often abbreviated to mutex) algorithms
are used in concurrent programming to avoid the
simultaneous use of a common resource, such as a global
variable, by pieces of computer code called critical
sections

virtual terminal protocol is an example of which layer and works with which layer?

1 Answers   DOEACC, Virtusa,

---

which is the best book for learning unix and linux?

6 Answers  

---

What is the difference between > and >> operators?

6 Answers  

---

Name key files or directories on a UNIX system that should always be backed up?

1 Answers  

---

What is the job responsibility of a System Administrator (UNIX/LINUX),briefly describe (Also point out system admin's daily job details),specify job type & job description?

2 Answers   HP, ICS Integrated Computer Solutions, TCS,

---

Explain the read, write, and execute permissions on a UNIX directory.

1 Answers  

---

What is the number of the masked code ee@?

2 Answers   Accenture, Amazon, Amdocs,

---

interprocess command in unix be achieved by a)pipes b)messages c)semaphores d)shared memory e)all

2 Answers   Mascot,

---

How does the inode map to data block of a file?

3 Answers  

---

why unix command can be divided into internal and external command

1 Answers   IBM,

---

how can you say that unix operating system provides more security than other operating systems.

1 Answers  

---

what is difference between milestone and run-levels in Solaris ?

0 Answers  

---