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 …

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?

Dec 2, 2021 · 但AG收购了RW联赛席位后，他们为什么没有在2022赛季使用AG这个名字，而是改成了AL呢。 这个估计是和王者荣耀联赛有一些关系，大部分俱乐部在建立其他电竞分部的时候，都是使 …

May 29, 2021 · 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 …

May 31, 2012 · 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 …

Aug 13, 2020 · 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 …

Jan 31, 2024 · I know that mounting a drive with "rw" would mount the file system as read/write, but what does that even mean? What's the difference between setting read and write via …

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 …

Why use `chmod 644` instead of `chmod u=rw,go=r,...`? Ask Question Asked 13 years, 11 months ago Modified 11 years, 3 months ago

Jul 26, 2025 · Why is the root partition not remounted rw after booting is finished if mounting other disks fails? Ask Question Asked 4 months ago Modified 4 months ago