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You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:
You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:A . The file at that location was used to make the script.B . This script provides identical functionality as the...
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)A . The list of users that belong to the group.B . The home directory of the group.C . The name of the group.D . The description of the group.E . The password of the...
What word is missing from the following SQL statement?
What word is missing from the following SQL statement? __________ count(*) from tablename; (Please specify the missing word using lower-case letters only.)View AnswerAnswer: select Explanation: The missing word is select, which is the keyword used to query data from a table in SQL. The select statement has the following syntax:...
What benefit does an alias in bash provide?
What benefit does an alias in bash provide?A . It provides faster lookups for commands in the system directory.B . It creates a local copy of a file from another directory.C . It hides what command you are running from others.D . It allows a string to be substituted for...
What output will the following command sequence produce?
Topic 1, Shells, Scripting and Data Management What output will the following command sequence produce? echo '1 2 3 4 5 6' | while read a b c; do echo result: $c $b $a; doneA . result: 3 4 5 6 2 1B . result: 1 2 3 4 5...
What is the purpose of the Sticky Keys feature in X?
What is the purpose of the Sticky Keys feature in X?A . To assist users who have difficulty holding down multiple keys at onceB . To prevent repeated input of a single character if the key is held downC . To ignore brief keystrokes according to a specified time limitD...
How is the content of the section SectionName associated with that section?
The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?A . It is placed in curly brackets as in Section SectionName { ... }.B . It is placed between a line containing Section "SectionName" and a line containing EndSection.C...
Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)
Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: groupadd, /usr/sbin/groupadd Explanation: The groupadd command is used to add an empty group to the system. It takes the name of the group as an argument and creates...
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)View AnswerAnswer: /etc/at.deny Explanation: The /etc/at.deny file specifies the user accounts that can NOT submit jobs via at or batch. The format of the file is a list of usernames,...
table?
Which of the following SQL statements will select the fields name and address from the contacts table?A . SELECT (name, address) FROM contacts;B . SELECT (name address) FROM contacts;C . SELECT name, address FROM contacts;D . SELECT name address FROM contacts;View AnswerAnswer: C Explanation: The correct syntax for selecting specific...
