Question { 14887 }

what is this line in the shell script do ?#!/bin/ksh

Answer

to execute the commands in a script using "ksh" shell.

Question { 7620 }

What is INODE?

Answer

You can say its a pointer to a file or directory.Each file
associated with a inode which contains 2 kinds of
information.
1.File name ,owner,permision
2. The data block for the file.

to see the inode value of a file type
#ls -i

Is This Answer Correct ?

4 Yes

0 No

Question { 7873 }

What is the difference between a 'thread' and a 'process'?

Answer

A process is a collection of virtual memory space, code,
data, and system resources. A thread is code that is to be
serially executed within a process. A processor executes
threads, not processes, so each application has at least
one process, and a process always has at least one thread
of execution, known as the primary thread

Question { 6295 }

What is MUTEX?

Answer

Mutex is a program object that allows multiple program
threads to share the same resource, such as file access,
but not simultaneously. When a program is started a mutex
is created woth a unique name. After this stage, any thread
that needs the resource must lock the mutex from other
threads while it is using the resource. the mutex is set to
unlock when the data is no longer needed or the routine is
finished.

Question { Wipro, 17455 }

How do you schedule a command to run at 4:00 every
morning?

Answer

crontab -e

* 4 * * *

Is This Answer Correct ?

2 Yes

3 No