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- 光盘 CD+R、-R、+RW、-RW 有什么区别？ - 知乎
根据先锋的说法，DVD-RW光盘可能需要写入约1,000次才能更换。 RW光盘通常用于以易失性格式存储数据，例如在创建备份或文件集合时。 它们还用于家用DVD录像机。 DVD-R和DVD + R的区别和比较 表面上看，DVD + R光盘看起来与DVD-R光盘没有区别。
- Whats meaning of the `c` in `crw-rw-rw-` in linux file permissions?
I run the command: ll dev null and got this output: crw-rw-rw- 1 root root 1, 3 Feb 19 10:20 dev null I know d means directory Can someone please explain what the c special flag means?
- Setting ACLs correctly for -rw-r--r--+ - Unix Linux Stack Exchange
First, note that files ACLs that have ACL entries for named users or groups also have an ACL mask entry that limits the permissions given by those ACL entries and that of the group owner entry The mask entry shows as the group permissions to ls and other utilities that only look at the traditional permission bits So, if your ls shows -rw-r--r--+, the ACL mask is r--, which means that the
- How to get permission number by string : -rw-r--r--
What do you mean by “set the same”? Do you already have a file with -rw-r--r-- permission and want to set another file with the same permissions? Then see if your chmod supports --reference: “--reference=RFILE use RFILE's mode instead of MODE values” – man chmod
- Remount linux filesystem from ro to rw [duplicate]
I need to remount my linux filesystem from ro to rw But nothing gonna work I will be very grateful if someone help me # mount dev mtdblock3 on type squashfs (ro) proc on proc type proc (rw)
- Advanced File permission and how to read them correctly
So, in our example of -rw-rw-r--: the permissions for the user who created the file are rw- So that user can read and write to the file, but not execute it the permissions for the user's group are also rw-, which means that the user's group can read and write to it, too
- Whats the difference between mounting a drive with rw and . . . - linux
I know that mounting a drive with quot;rw quot; would mount the file system as read write, but what does that even mean? What's the difference between setting read and write via chmod?
- How to remount as read-write a specific mount of device?
0 mount -o rw,remount foo will remount foo mount point rw If there is a foo bar mount point (whether ro or rw), the mount command will likely fail If there are foo what and foo ever directories, those will be rw as well If your read-only mount point is foo bar baz then mount -o rw,remount foo will keep other mount points read only
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