Unix interview questions – page 7

Is it possible to count number char, line in a file; if so, How?

What is the difference between internal and external commands?

Why do I get [some strange error message] when I "rsh host command" ?

Hi i have directories within the directory. Now i want tocopy the directory along with all directories included in itto one location by using copy command? what is the command

What is semaphore and how will you implement it?

What is the difference between a process and a task?

What Location(on hard disk) for the default port numbers in NT based system?

How to remotely move a file ? that mean how to move a fileone machine to another machine ?

What is proces ?

Difference between:-1. TCP and RDP2. DOMAIN and OU3. DOMAIN CONTROLLER and GLOBAL CATALOG

How do I find the creation time of a file?

What is the difference between Swapping and Paging?

How to terminate a process which is running and the specialty on command kill 0?

What is INODE?

Is it possible to restrict incoming message?

WHERE CAN WE SEE THE COMPLETE BACKBROUNG PROCESS IN RACENVIRONMENT THROUGH UNIX COMMAND.

How does the kernel differentiate device files and ordinary files?

Explain difference between IPC mechanisms?

Which command is used to delete all files in the current directory and all its sub-directories?

Brief about the directory representation in UNIX

How will you login one server's shell prompt to an another server?

Give Command that will change the name of a directly from paypal to eBay

Why thread is called as a lightweight process?

How to know a process is a zombie or orphan process?

What is ldd?

How do we know how a particular session is scheduled?

If threads share data segment, what will happen?

How can I protect my process from others to kill

Why do multi-tasking operating systems in a single user machines today?

I need to write a command using redirection characters to output the number of unique users working on your system.