What is pipe for interprocess communication? Explain with one example?

How to send file as an attachment in mailx in unix to multiple users.

What is the differences between service pack and patches?

What is DCL?

A microprocessor can execute simple machine level instructions. For example: LDA 100 means load the accumulator with the contents of storage location 100. Show the sequence of events when a microprocessor carries out this instruction

How to use USMT in Windows Server 2003?

How to configure RAID controller in Windows server 2003 standard edtion?

How to create the multiple users in Solaris 10 OS?

Now-a-days we can use more than 4 GB as RAM in windows, then we go for virtual memory?

How to find the burst time of the process?

Where we can run two programs in unix console at the same time?

Describe the advantages of having a seperate queue for Print I/O and for Disk I/O?

In win server 2008, 25 computers connected to your domain, how can I see which user is logging & logout details or how many users are active, or I created one OU, how many members are logging, or logout, I want to give daily report.

Is there any differences between HP-UX and AIX in scripting level. Any suggestions?

A) abort process immediately without further ado
B) Perform minor house keeping prior to resumption
C) Roll back process state to last checkpoint
D) Tidy up to process abortion
A) 1&2 B) 2 & 4 C) 3 D) 4

A computer has 3GB of RAM of which the OS occupies 512MB. The processes are all 64 MB (for simplicity) and have the same characteristics. If the goal is 99%CPU utilization, what is the maximum I/O wait that can be tolerated?

By using image tool only we are able to install the OS for multiple machines. Is there any other options available to install the OS for multiple machines at a same time??