From the course: Linux CentOS 7: Files and Permissions
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Standard Linux permissions overview - Linux Tutorial
From the course: Linux CentOS 7: Files and Permissions
Standard Linux permissions overview
- [Male Instructor] The standard Linux permissions system came from UNIX and was created 40 years ago. It is a tried and true system and works for most situations. The Linux permissions system supports the following items. Users can belong to multiple groups. Groups can not, however, contain other groups. Files and directories belong to one user owner. Files and directories belong to one group owner. Permissions can be set for the user group or other. Other being people who are not the user owner and don't belong to the group owner. Users can read, write or execute files. Users can list items in directories, create new files in directories and traverse directories. Linux supports privilege escalation to the user owner or group owner of the file. Linux supports group owner inheritance. This means that files and directories can inherit the parent directory's group owner. Linux supports default file permissions that can be different for each user. Linux permissions aren't perfect though.…
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Contents
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Standard Linux permissions overview1m 47s
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File and directory modes1m 19s
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File ownership4m 34s
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Set permissions using numeric method3m 13s
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Set permissions using symbolic method5m 16s
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Default permissions using umask5m 51s
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Special file bits: SUID and SGID3m 49s
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Special directory bits: SGID and Sticky6m 26s
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