Basic uses of tar command in Linux

Tar command is specially designed to zip and extract the data. It helps to reduce the space while getting backed up data. It is used to store and extract files from an archive file. Let’s understand tar command with examples: How to archive folder in tar extension by tar command Tar command requires two arguments to archive the folder i.e. first argument is output file name with tar extension and second is source folder name which we want to archive. root@hello:~/ctier/pkgs/apache-tomcat-5.5.28# tar -cvf logs.tar logs/ logs/ logs/catalina.2012-12-03.log logs/localhost.2012-12-03.log root@hello:~/ctier/pkgs/apache-tomcat-5.5.28# ...

Interview Questions for Linux Administrator

Difference between SAN and NAS                                Netstat Command in Linux 1.       What are the run levels? There are total seven run levels as follows: 0 – halt 1—single user mode 2—multiuser mode without NFS 3—Multiuser with NFS 4 -- Unused 5 -- Multiuser mode with X11. 6 – Reboot. 2.       How to check all logged in user currently on server? Ans.  W and who are the commands...