The document discusses important Linux commands used in AWS including cat, ls, rm, sudo chmod, mkdir, rmdir, sudo yum update, and sudo yum -y install. Cat displays file contents, ls lists directory contents, rm removes files and directories, sudo chmod changes file permissions, mkdir creates directories, rmdir removes directories, sudo yum update performs system updates, and sudo yum -y install installs packages. The document provides syntax examples for each command.

1. Learn Important Linux
Commands Used In AWS
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2. Cat Command
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The cat command can
be used to display the
content of a file.
Synatx: $ cat {filename}

3. ls Command
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The ls command lists the
contents of a directory on
your system. It displays
information about each file
and directory in the
current working directory.
Synatx: $ ls [OPTIONS][FILES]

4. rm
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The command removes
files and directories from
your system. It’s used to
delete unwanted files and
folders.
Synatx: $ rm {filename}

5. sudo chmod
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The command sudo
chmod changes the
permissions of files and
directories.
Synatx: $ sudo chmod <permissions of
user,group,others> {filename}

6. mkdir
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The command mkdir
used to create a new
directory .
Synatx:$ mkdir [option] dir_name

7. rmdir
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The command
removes the directory
named by pathname.
Synatx:$ rmdir <flag> {directoryname}

8. The command sudo
yum update performs
all necessary updates
on your system.
sudo yum update
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Synatx: $ sudo yum update
Update Command

9. sudo yum -y install
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The command installs a
package on your Amazon
Linux AMI. It will download
the package file, verify the
signature, and install the
package if all goes well.
Synatx:$ sudo yum -y install

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