RMS Meta

RMS Meta

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Practical guidance on DevOps, SRE, FinOps, observability, and Linux operations—written by the engineers who ship and operate products every day.

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Dec 25, 2025

File Permissions & Ownership in Linux (chmod, chown, chgrp, alias)

How rwx permissions work, numeric vs symbolic chmod, changing ownership with chown/chgrp, and using aliases for quick commands.

#Linux #Permissions #CLI #Security #DevOps
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