On the cmsy255 server, write a bash shell script called usrinfo that displays information about a specified user. Make sure the script file is executable. Also make sure that you can run the script without having to specify the directory. For example, you should NOT have to enter ./usrinfo in order for it to run. The script should: • Accept 1 argument from the command line (this is the User ID that you want to display info for) • finger the User ID display any lines from the who command that match this User ID • display any lines from the ps -ef command that match this User ID ● In addition, if the number of arguments is not exactly 1, display an appropriate error message and exit with an exit code of 1.

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