The ls command is important for shell programmers, but it has some quirks. Offer solutions for the following:

a. ls gives you single-column output, but you want it to be shown in multiple columns.
b. ls shows output sorted alphabetically. Sort it by most recently modified to least instead.
c. Type two different ways to have ls include file size information.
d. The opposite of a: Force ls to output a one-column file listing.


a. ls -C
b. ls -t
c. ls -s
d.ls -l

Computer Science & Information Technology

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The ____________ takes the .class files containing the program’s bytecodes and transfers them to primary memory.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Comments are permanent in a document

Indicate whether the statement is true or false

Computer Science & Information Technology

The criteria cell entry: LIKE [Enter the first character of the company name:] & "*" searches for companies that do which of the following?

A. Contain the parameter entry anywhere in the field B. End with the specified letter C. Have only one character D. Begin with the specified character

Computer Science & Information Technology

A NoSQL database stores data as highly optimized key-value pairs with the data stored in a _____ table.

a. simple two-column b. contemporary four-column c. simple three-column d. contemporary nine-column

Computer Science & Information Technology