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Thread: Some linux help
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- Join Date
- Jan 2012
Some linux help
Copy the completed adduser script from the chp6/lab/solutions directory, and then modify the script to do the following.
a. Take exactly one command-line argument, which is assumed to be the new userís name. Output a USAGE message and, exit the script immediately when the script is executed with more or less than one command-line argument.
b. Either assign the value of $1 to the name variable or change the grep command to search for $1.
c. If the user name already exists in the mypasswd file, print a message, print the actual mypasswd entry for the user, and then exit the script.
d. In the previous lab, you used sed to create a file of UID numbers. Numerically sort the contents of this file, and store the output into currentuid4 file.
e. The last line in currentuid4 has the maximum UID number currently in use. Increment that number by 1 for the new user.
f. Print the new user name and UID.
Hi and welcome.
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