ANTIVIRUS FOR WINDOWS

Kasperasky is the best antivirus for windows
1 year kasperaky key with 600 rs
Daily update fature
Less virus effiency
Low cost
Simple for use

FILE PERMISSIONS IN REDHAT LINUX

r read permission
w writepermission
x the shell will
attempt to execute the fie when its name is entered as command
Read permission means the contents of the directory can be listed with “ls” command
Write permission means can we make files in directory
Decimal values for folder permission
Read 4
Write 2
Execute 1
Permission set to a folder
Command is
Chmode 7 6 4
Eg chmode 4+2+2 user 4+2 group 4 others

USERS IN REDHAT LINUX

Creating a user in red hat linux
Command is add user username
Eg: adduser admin
Password for that user
Command is passwd username
Eg : passwd admin
Type password
And confirm

BASIC COMMANDS IN LINUX

DATE to display date
CLEAR to clear previous used command
CAT> FILENAME to create a file
CAT FILENAME to view the file
SORT to arrange files
CP to copy a file
RM to delete file
MV to move or rename file
MKDIR to create directory
CD to change the path of directory
LS to display the contents of the directory
LS –L long list display
LS –A list hidden files
MAN help command
INFO help command
WHAT IS help command
--HELP help command
CAL calculator

MINIMUM REQUIREMENTS FOR LINUX INSTALLATION

Processor : intel,amd 32 or 64 bit
Intel dual core ,intel xeon these are best for red hat linux
Amd x2 is very good for rehat
H ard Disk : minimum 6 gb
Linux bootable dvd

REDHAT LINUX 5 FEATURES

Linux is a free software
Red Hat Linux features are
1. Multiuser multitasking
2. Open source
3. High security
4. Less virus efficiency
5. Every thing should be concerned as a file
6. Support multimedia
7. Used as a server or client
Root is the administrator account in red hat linux