Linux / Unix: Please help as much as you can. Thanks, (1) Identify command optio

ID: 3854056 • Letter: L

Question

Linux / Unix: Please help as much as you can. Thanks,

(1) Identify command options and arguments in the following

$ ls -a -r /tmp /usr .
$ fold -80 /etc/passwd > /tmp/passwd
$ uname -S amazon
$ cat -A /tmp

(2) What do the following commands do?

$ mv /tmp/abc .
$ mv /tmp/cbs/ $HOME
$ cp -rp /etc/init.d $HOME/cbs

(3) How can the above commands fail? List possible reasons

(4) List name(s) of commands available in Unix system for the following

a. to create a directory structure project.d/project.d/project.d
from your home directory without using multiple commands.

Tee Command Usage Examples

by RAMESH

Tee command is used to store and view (both at the same time) the output of any other command.

Tee command writes to the STDOUT, and to a file at a time as shown in the examples below.

Example 1: Write output to stdout, and also to a file

The following command displays output only on the screen (stdout).

The following command writes the output only to the file and not to the screen.

The following command (with the help of tee command) writes the output both to the screen (stdout) and to the file.

Example 2: Write the output to two commands

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