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Red Hat recommends preparing for the exam by taking courses in Linux essentials (RH124), Linux administration (RH134), and Linux networking and security (RH254) if one does not have previous experience. [11] Previous real-world experience is also advised. [12] RHCE was the first Red Hat certificate launched, in 1999. [6]
An IT administrator, system administrator, sysadmin, or admin is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems, especially multi-user computers, such as servers.
A person responsible for providing various kinds of administrative assistance is called an administrative assistant (admin assistant) or sometimes an administrative support specialist. [ 1 ] [ 2 ] In most instances it is identical to the modern iteration of the position of secretary or is a sub-specialty of secretarial duties.
Pages in category "Linux administration" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. C. Control-Alt-Delete; U.
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Linux is the leading operating system on servers (over 96.4% of the top one million web servers' operating systems are Linux), [48] leads other big iron systems such as mainframe computers, [clarification needed] [49] and is used on all of the world's 500 fastest supercomputers [h] (as of November 2017, having gradually displaced all competitors).
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