Basic Linux Commands

Create new tar archive
#tar -cvf file.tar /directoryname

Extract from existing tar archive
#tar -xvf file.tar

Create zip for folder
#zip -r directory.zip /directoryname

To extract .zip compressed file
#unzip file.zip

Goto paritcular line of file
#vim +10 file.txt

Goto the first match of the specified keyword
#vim +/keyword file.txt

Search for a given string in direcotory recursively
#grep -r “keyword” /dirname/

To install apache using yum
#yum install httpd

To upgrade apache using yum
#yum update httpd

To uninstall apache using yum
#yum remove httpd