➢ Good knowledge of Linux operating systems like RedHat Linux, centos➢ Installation and configuration of Linux OS as per client’s requirement.➢ Installation and Configuration of File Sharing Server – NFS, FTP, SAMBA.➢ Good Knowledge of LVM, which include creating PVs, VGs, LVs and filesystems and troubleshooting.➢ Mounting and unmounting partition as per the requirement using mount and umount commands.➢ Creating & Managing groups, renaming groups, deleting groups➢ File modifications, changing file Permissions, Ownership and Groups➢ Installation of software and packages by using YUM and RPM.➢ Good Knowledge of Permissions (chmod) and Special permissions (STICKYBIT.SUID.SGID) and ACL➢ Add new partitions and logical volumes, swap to a system .➢ File System operations (Create, mount, unmount and remove) .➢ Creating a Symlink & Hard link in Linux.➢ Good knowledge of FSTAB / FDISK.➢ Solving password related problems of the users .➢ Troubleshooting Network issues.➢ Basic Shell Scripting.➢ Scheduling jobs through CRON.➢ Taking Backup On Linux server using rsync and tar.➢ Sending Day End report for every shift before leaving the premises.