What is the purpose of the sudo command and how is it used?
What will be an ideal response?
With the sudo (superuser do) command, system administrators can allow a group of users to run certain commands as root or another user and log the commands and arguments this group uses. In this way, administrators can restrict the type of commands a user issues on a per-host basis. The /etc/sudoers file contains a list of users authorized to use the sudo command; only the root users can access this file.
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Answer the following statements true (T) or false (F)
1. The preprocessor symbol NULL and the C-string terminator, the null character share the value 0 2. ANSI/ISO C++ standard includes a string-handling library in the form of the class string. 3. C-string literals are written ‘Hello’. 4. A C-string variable is just an array of characters.
Files that are going to be viewed on the Web are usually exported from Director as .dir files.
Answer the following statement true (T) or false (F)
A ____ is a single view of the page layout with specific visible layers and attributes.
a. montage b. singlet c. layer comp d. bounding box
What is a scenario in Excel What-if analysis?
A) Any what-if analysis B) A tool that changes one variable through several iterations C) Detailed set of values that represent different possible situations D) A two-variable goal seek tool