What's 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?
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 + …
How to get permission number by string : -rw-r--r--
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 …
Remount linux filesystem from ro to rw [duplicate]
Dec 20, 2015 · 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 …
Setting ACLs correctly for -rw-r--r--+ - Unix & Linux Stack Exchange
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 …
permissions - Mount samba share so it's owned by root and users …
Jan 25, 2024 · The proper way to implement this is to use Kerberos-based authentication and pass the multiuser flag with the mount options. Your client users will then be seen and …
mount - nfs v4 export is adding additional options not specified in ...
Jan 15, 2025 · From the documentation; emphasis on that last line is mine: The default settings are: ro The exported file system is read-only. Remote hosts cannot change the data shared on …
What's the difference between mounting a drive with rw and
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 …
Why does Linux allow ‘init=/bin/bash’? - Unix & Linux Stack …
Specifying rw tells the kernel to boot with the hard disk in read-write mode instead of read-only mode. Traditionally the kernel starts with the disk in read-only mode and a process later on …
mounting /dev/shm with noexec - Unix & Linux Stack Exchange
Sep 23, 2021 · on RHEL/CentOS 7.9 there is by default tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,seclabel) A security rule says that it must be mounted with the secure …