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If you are not the administrative user, nothing will happen. For some systems, a priviledged user can issue this command or 'telinit' or some variant of that to place the system runlevel in what is known as "single user" state.
This state is commonly used for maintenance or diagnostic purposes and does not allow multiple users or certain background services to execute.
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What does bg stands for in computer system?
BG is a command on Unix and Unix-like operating systems to run a job(process) asynchronously in the background.
Which command is used to create a sub processes?
For Unix, any command is run as a sub-process. You don't need an actual command to create the subprocess. You can also force the process to run in the background by appending a '&' symbol at the end of the command.
Where can you get a Unix shell for Windows?
A Unix shell can be obtained in Cygwin, a Unix compatibility layer used to compile Unix programs and run them on Windows. Microsoft also makes a shell known as "Windows PowerShell" which incorporates more Unix-like features than the standard command prompt.
What are the difference between su and su-aloke in UNIX OS?
su substitute user.. and su is a unix command used to run the shell of another user without logging off..
What command should be given to compile a C program from the command prompt?
You need a compiler. Gcc or g++ can be run from a unix shell, or a windows implementation of one like cygwin.
What happens if you attempt to run ipconfig command from the run dialog box in a windows xp computer?
The IPCONFIG command has been run and terminated successfully
How is a job run periodically in Unix?
You can use the 'at' command to schedule a job to run in the future (once), or use the 'crontab' command to schedule jobs to run periodically on a time and date basis. Look at the 'man' commands to see how the actual scheduling parameters are specified.
Unix command to count how many users have logged on to the unix system?
The 'uptime' command will tell you exactly how many users are on the system. There are other variations of this, including counting the number of words from the 'users' command, etc., but this is the easiest.
What type of hardware does Unix run on?
Unix can be run on a variety of server, mainframe, and workstation devices.
On which OS platform c pgm run in unix?
unix.
What is the most graceful way to get to run level single user mode?
The most graceful way is to use the command: init s If you want to shut everything down before going to single user mode then do init 0 first and from the ok prompt do a boot -s.
Is there any simulator that can simulate unix terminal so that you can run unix command wihtout installing it?
There are various software packages that provide a Unix-like environment. They can be used for educational purposes, for scripting, connectivity and porting Unix and Linux software to Microsoft Windows systems. Some examples of these packages are: * MKS Toolkit * UnxUtils * Cygwin * Interix
