[7.1] What does the "ls" command do in Linux?

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Question: [7.1] What does the "ls" command do in Linux?

Option 1: 'Lists files and directories with their size, modified date, owner, and permissions' This is the closest description. The ls command lists directory contents, and when used with the -l (long) option, it displays a detailed listing that includes permissions, number of links, owner, group, size, and modification date for each item. In practice, ls by itself shows names, but the long format provides the size, date, owner, and permissions, which aligns with the described contents.

Option 2: 'Copies files from one directory to another' This behavior is performed by the cp command, not ls. Confusing these two would indicate a misunderstanding of basic Unix utilities, since cp is for copying.

Option 3: 'Creates a new directory' That task is handled by mkdir. ls does not create anything; it merely lists existing directory entries.

Option 4: 'Deletes a file or directory' Deleting is done by rm (or rmdir for empty directories), not by ls. Using ls will not remove files, so this option describes a different command.

Summary: The ls command is used to list directory contents, and in a detailed listing (with -l) it shows size, modified date, owner, and permissions, which matches the description in Option 1 more closely than the others. The other options correspond to distinct commands (cp, mkdir, rm) and do not reflect the purpose of ls.

EN.650.667.01.SP25 Quiz - Chapter 8

[7.1] What does the "ls" command do in Linux?

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