Which of the following commands will show the current user cron jobs that have been created for the currently logged in user?
A. cronjobs --list
B. cron --list
C. cron -l
D. crontab -l
Answer: D
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Answer the following statements true (T) or false (F)
1. The read command is used to read input from the keyboard. 2. The special variable $0 holds the user ID of the user. 3. The shell program options v and x are used for debugging the shell scripts. 4. There are 10 special (positional) variables, named 1 to 10. 5. The test command is a shell built in command that evaluates its argument and returns true or false.
If the word ____________________ follows the word INT, a column is created for which MySQL will automatically generate a new sequence number each time a new row is added.
Fill in the blank(s) with the appropriate word(s).
The term ____________ is often used to indicate where an identifier has meaning and can be used
Fill in the blank(s) with the appropriate word(s).
You can use the ____ dialog box to specify the data type of a parameter in a parameter query.
A. Value Properties B. Data Type C. Query Parameters D. Parameters