To find the software version of Nokia E72

Type *#0000#  It will display the software version information

Ex:

Software version
091.004

Sofware version date
02-Jan-2012

Custom version
091.004.C00.02

Custom version date
02-Jan-2012

Language set
40.01

Model
E72-1

Type
RM-123

Latest update
2/1/2012

To find the Serial Number or IMEI code in Nokia E-Series

Type *#06# to get the serial number of Nokia E-series

To find the Bluetooth device address of Nokia E-Series E72/E71/E5/E63

To get Bluetooth device address of Nokia E-series phone, type *#2820# 

It will display Bluetooth device address on screen

To find the Solaris version of the system

$ cat /etc/release

It will display the current Solaris version details

Combine content of two files in unix

$ cat file1 file2 > file3

It will combine both file1 and file2 content in file3. Here in above command it will overwrite in file3 if any content is existing.

If you wish to append the existing content in file3 you can use below command:

$ cat file1 file2 >> file3

Here if you use > it will overwrite and if you use >> it will append or add

To check Red Hat Linux version

$ cat /etc/redhat-release

It will display the current Red Hat Linux version as like below

Red Hat Enterprise Linux Server release 5.4

or you can use below command also to see the version

$ cat /etc/red*

or 

$ cat /etc/redhat\-release

To check current Linux version

$ uname -r

It will display current linux version

$ uname -a

It will display all the information with version

$ cat /proc/version

It will also display version and release information of Linux