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What else can I help you with?
What command is used to see who is on the system?
Ironically, the command to see who is logged into the system is who. You can also see who is logged on using the wcommand.
What is used to see the contents of a directory in Unix?
The ls command.
Fundamental purpose of cat command in unix is?
See related link.
What is the Command to see the contents of a directory in UNIX?
Use the 'ls' command.Try 'man ls' to see the options
What are some of the options available in UNIX command PS?
The 'ps' command may differ slightly in different versions of unix operating systems. It is usually better to use the 'man ps' command or the 'info ps' command to see the options that are available for your distribution.
How do you see what is active on a UNIX machine?
Use the 'ps' command. This command lists all of the processes running on the system, when they started, who the owner is, etc.
Does UNIX have a command line interface?
Several different versions of UNIX have GUI's or Graphical User Interfaces. The most common example of UNIX with an interface is Mac OS X.
Explain the use of chmod command in Unix with syntax?
To complex to answer completely here - see related link.
What is the difference between cat and merge command?
The 'merge' command is not standard in Unix, so not every system has it. The 'cat' command is standard in every Unix system. The 'cat' command merely echoes the contents of a file. It can be used to put together several files (concatenate). The 'merge' command (at least on Linux) merges changes from an original file to a modified (patched) file. It is considered a 3-way merge utility. Check the 'man' command for both and you will see the differences in the two commands.
When one enters the who command in Linux what information does one see?
The basic 'who' command lets you see the time of last system boot; list of users logged-in; the current run level, etc.
To print the list of the currently logged in user in unix?
At the prompt, type:whoThe output will be similar to:Alice tty1 2010-05-21 15:13 (:0)bob pts/0 2010-05-21 15:57 (:0.0)To see more options of the 'who' command, run 'man who' at the prompt.
Write a sed command that swps first and second words in each line in a file unix and shell programming?
If you try the command 'man sed' you see it is listed as one of the examples of what sed can do.
