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Create a crontab to perform the tasks listed below at the frequencies specified. Note that you do NOT need to write the actual scripts!
a) Run a backup script named local-backup from the /usr/local/adm directory every weekday at 11:30pm.
b) Execute a cleanup script named weekly-cleanly from the same directory above, every Friday at 4:30am.
c) Every night, produce a list of files that are world-writable.
d) Execute a reporting program, named twice-monthly from the /usr/local/bin directory on the 15th and 31st.
e) Execute a performance report script named perf23 every hour at 15 and 45 minutes after the hour on weekdays between the hours of 6:00am and 6:00pm. The script is located in root's home directory.
assume, a computer has 2^16 bytes of main memory. There is a direct-mapped cache of 1KB with a line size of 4 bytes. Determine which cache block will the memory reference 111Bh map to?
You have been hired to offer the advice regarding the utilization of the cryptography to developer of new two products within a company.
Systematic and the logical storage of electronic files.specify if reducing the cost per bit transmitted more significant in the LANs or WANs.
Develop a checkout lane simulation that can be used to determine the optimal number of lanes that Cougar Mart should have open.
What are java predefined methods
This solution explores and defines the requirement for routers to support both IPv4 and IPv6 protocol stacks and explains the various types of connections a dual stack router can support, and why such connections are necessary.
Main function, this will provide the menu interface to get to all the rest of them, it will basically be the switch statement that calls the other functions and returns their values.
Determine highest distance
A palindrome is a word or phrase that reads the similar forwards and backwards, character for character, disregarding punctuation, case and spaces.
Explain Do all DBMSs have their own language? Is it similar to a programming language.
Write down a function that computes a taxi fare. In some cities, taxi fares are calculated based on start and end zones plus a per-minute charge. In this city, there are three zones (1, 2, and 3) and a graduated scale for time.
Problems on relation and functional dependencies
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