Linux

lets discuss some basic commands first
http://techie-builder.blogspot.com/2010/02/some-basic-commands-on-linux.html


what is a shell?
http://techie-builder.blogspot.com/2010/02/what-is-shell-in-linux.html

what is an inode?
http://techie-builder.blogspot.com/2010/02/inode-in-linux.html


what are the runlevels in linux?
http://techie-builder.blogspot.com/2010/02/run-levels-in-linux.html

Boot process in linux after you select the OS label
http://techie-builder.blogspot.com/2010/02/boot-process-in-linux-after-selecting.html


what is cronjob in linux?
http://techie-builder.blogspot.com/2010/02/cron-jobs-in-linux.html





How to put job in background?

http://techie-builder.blogspot.com/2010/02/put-job-in-background.html

how to bring background job to fore ground?
use 'fg' command. fg [pid]

How to put foreground job into background ?
http://techie-builder.blogspot.com/2010/02/put-foreground-job-into-background-on.html


How to enable telnet/FTP services in redhat linux. 
http://techie-builder.blogspot.com/2010/02/enable-telnetftp-services-on-redhat.html


How to duplicate harddisk on Linux
http://techie-builder.blogspot.com/2010/02/duplicate-hardisk-to-other-hard-disk-on.html


Broadcast message on all terminals.
http://techie-builder.blogspot.com/2010/02/broadcast-message-on-all-terminals.html


Display system BIOS details
http://techie-builder.blogspot.com/2010/02/display-system-smbios-hardware.html


Get manual page for a command in linux
http://techie-builder.blogspot.com/2010/02/manual-page-for-commands-in-linux.html


Change system conf on next boot
http://techie-builder.blogspot.com/2010/02/change-system-configuration-on-next.html