How does the UNIX system identify user?

The system identifies you by the user id and group id assigned to you by system administrator. You don\'t need to remember your user id and group id, the system translate username as user id and group name as group id. You need to know your username only.

More interview questions and answers
Acting as an RMI Client
Debugging
Check the Logs
Output Extra Information
Use a Standard Debugger
Use a Third-Party Tool
Examine the Client Request
Create a Custom Client Request
Some Final Tips
Performance Tuning
Go Forth, but Don’t Prosper
Limit Synchronization
What is struts? 1.A Technology 2.A Frameworks 3.A Java Development Tool Kit 4.A Language.
How can we retrieve keyed values from a previously defined resource bundle? a. Using b. Using c. Using d. Using
Which method is necessary for Action class? a.valuator() b.reset() c.findForward() d.delet() e.execute()
The parameters passed into execute() method is? A. ActionMapping mapping, ActionForm form, ServletRequest request, ServletResponse response. B. Mapping mapping, ActionForm form, ServletRequest request, ServletResponse response. C. ActionMapping mapping, Form form, ServletRequest request, ServletResponse response. D. ActionMapping mapping, ActionForm form, ServletRequest request, Response response. E. ActionMapping mapping, ActionForm form, Servlet request, ServletResponse response.
What is return type of execute() method? A. void B. String C. int D. ActionForward E. ActionMapping F. ActionForm
Where key will generated ? A. In Action class B. In ActionForm Class D. In ActionMapping Class E In ActionServlet Class
We can create how many struts config file in an struts application? A. Only One B. Only Two B. Zero C. As many we needed D. All are wrong.
Which one is correct? A. B. C.
What is use of \'in\' command?
What is UNIX ?
What is Linux ?
Why should we use Linux ?
Who developed the Linux ?
Write about the versions of Linux ?
What is the main use of Linux ?
What is the kernel in UNIX?
what is knoppix ?
What makes Linux so popular ?
What is \'tux\' ?
How Linux is pronounced ?
What is system calls? Or How does user program interact with Kernel?
Who developed UNIX and When?
What is inode?
What is the difference between Linux and Unix ?
What is command and syntax of command line?
What is Kernel ?
What terminology is used in the Linux ?
What do you mean by Linux utilities ?
What do you mean by Shell and Shell command ?
What is System call ?
What is difference between external command and internal command in UNIX?
How does the UNIX system identify user?
What are the different types of shell in Linux ?
What are directory navigation tools and their controls?
How does the user know where he is in file system?
How can we select the shell ?
What is use of \'cd\' command?
What the following do ? echo, cd.
What is the use of mkdir ?
What do you mean by Metacharacters ?
What is the use of rmdir command?
Why we use ls ?
What do you mean by redirection ?
What is the use of \'mkdir\' command?
What are wildcards ?
what do you understand by \'pipes\' ?
what is the use of ls command?
What do you mean by sequence ?
What is difference between UNIX & DOS navigation & directory control commands?
What are the shell scripts ? How we work on them ?
What is the concept of Sub-shell or child-shell ?
What are the file maintenance commands?
Write the steps for creating the shell scripts ?
What is difference between UNIX & DOS file maintenance commands?
How do you copy file in UNIX system?
How to define \'user defined variables\' ?
What about ps, kill, wait ?Explain each.
How do you rename or move a file in UNIX system
How do you remove a file in UNIX system?
How do you set permission in UNIX system?
How do you change file permissions in UNIX system?
How do you change file ownership in UNIX system?
How do you change file group in UNIX system?
Describe the following commands. eval, exec, shift, umask
What are the different types of utilities which used to exchange the information over the internet ?
What is desktop environment ?write its components also.
What are display command in UNIX system?
What does the cat command do in UNIX system?
What does the echo command do in UNIX system?
What is the use of more, less and pg command in UNIX system?
What is the use of head command in UNIX system?
What is the use of tail command in UNIX system?
What are the different desktop environments of linux ?
What is xclock and xterm ?
What is the C compiler in Linux ?
What is gprof and gdb ?
What is the use of strip utility ?
What are the main categories of linux system calls ?
What do you mean by Interprocess communication ?
What are system resource commands?
which facilities are provided by the kernel ?
Define file for Linux.
what are the main tasks of the system administrator ?
How do you display current date & time in UNIX system?
How do you come to know the name of machine?
How do you summarize the disk block and file usage in UNIX system?
How do you know that how much disk space is use in UNIX system?
What is the use of ps command in UNIX system?