<div>
because if no options are specified, uname prints the operating system name<br />
and because there is no executable command named oslevel in your PATH
</div>


because if no options are specified, uname prints the operating system name
and because there is no executable command named oslevel in your PATH

<div>
What is the exact question? is it the first command or the 2nd?<br />
<br />
oslevel is not linux command
</div>


What is the exact question? is it the first command or the 2nd?

oslevel is not linux command

<div>
oslevel is AIX, uname is your average *nix, welcome to our wurlde, not all *nix are the same!
</div>


oslevel is AIX, uname is your average *nix, welcome to our wurlde, not all *nix are the same!

<div>
What information you are trying to &nbsp;find ?<br />
<br />
uname -a will show you the kernetl version<br />
<br />
If you need to find the linux type and the version some of them has the information on <br />
<br />
/etc and depends of the type of linux is the name of the file<br />
<br />
for RHEL is redhat-release<br />
for SLES is cat /etc/SuSE-release<br />
<br />
i hope this helps you
</div>


What information you are trying to  find ?

uname -a will show you the kernetl version

If you need to find the linux type and the version some of them has the information on

/etc and depends of the type of linux is the name of the file

for RHEL is redhat-release
for SLES is cat /etc/SuSE-release

i hope this helps you

<div>
got it is a command used for AIX
</div>


<div>
<div class="content wysiwyg-content">
why this is like this?<br />
<br />
[oracle@term1 ~]$ uname<br />
Linux<br />
[oracle@term1 ~]$ oslevel -s<br />
bash: oslevel: command not found<br />
[oracle@term1 ~]$
</div>
</div>


why this is like this?

[oracle@term1 ~]$ uname
Linux
[oracle@term1 ~]$ oslevel -s
bash: oslevel: command not found
[oracle@term1 ~]$

linux

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.