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Can we delete Proc Kcore?
“Is it safe to delete the /proc/kcore file? Or is there a solution on getting it to an normal size.” No, it’s not safe.
What is Kcore file Linux?
2.13. /proc/kcore. This file represents the physical memory of the system and is stored in the core file format. Unlike most /proc/ files, kcore displays a size. This value is given in bytes and is equal to the size of the physical memory (RAM) used plus 4 KB.
What is Proc Kcore in Ubuntu?
/proc/kcore is a file in the virtual /proc filesystem of a Linux machine. It is created by the kernel in fs/proc/kcore. c and allows read access to all the kernels virtual memory space from userland. Internally it has the format of an ELF core dump file (ELF Type 4/ET_CORE). …
Why is proc so big?
Like all other files below /proc the kcore file is only a virtual file. It contains the RAM the kernel can allocate. … This file doesn’t use actual disk space and only exists virtually. Note: On 64-bit systems the size of /proc/kcore is even 128TB because that’s the absolute limit of what 64-bit systems can allocate.
What is Varlog Lastlog?
lastlog is a program available on most Linux distributions. It formats and prints the contents of the last login log file, /var/log/lastlog (which is a usually a very sparse file), including the login name, port, and last login date and time.
Which directory in file structure holds printer details?
/dev/ — Stores device files. /etc/ — Contains configuration files and directories. /var/ — For variable (or constantly changing) files, such as log files and the printer spool. /usr/ — Contains files and directories directly relating to users of the system, such as programs and supporting library files.
Does proc take disk space?
In any case, as steve mentioned, /proc is its own, virtual, file system, and doesn’t occupy any space on your drive.
What is Ubuntu proc folder?
The /proc directory is a strange beast. … This special directory holds all the details about your Linux system, including its kernel, processes, and configuration parameters. By studying the /proc directory, you can learn how Linux commands work, and you can even do some administrative tasks.
