What is self proc?

What is self proc?

/proc/self is a real symbolic link to the /proc/ subdirectory of the process that is making the call. When you do ls /proc/$$ the shell expands it to ls /proc/pid-of-bash and that is what you see, the contents of the shell process. But when you do ls /proc/self you see the contents of the short lived ls process.

What is proc self task?

it simply picks the currently-scheduled pid, i.e. the currently running process (on the current logical CPU). The effect is that /proc/self always points to the asking program’s pid; if you run ls -l /proc/self. you’ll see ls ‘s pid, if you write code which uses /proc/self that code will see its own pid, etc.

What is proc /$$?

Proc file system (procfs) is virtual file system created on fly when system boots and is dissolved at time of system shut down. Now check the highlighted process with PID=7494, you can check that there is entry for this process in /proc file system.

What is proc country?

People’s Republic of China, the formal name of China.

Why is it called proc?

When WoW users talk about “how often this weapon procs”, they are talking about the likelihood of the special effect occurring. Proc was originally short for “spec_proc” (spec_proc is short for “special process”) which is a term used by the original programmer of Circle-MUD, Jeremy Elson.

What does / proc / self point to in Linux?

When the kernel has to answer the question “What does /proc/self point to?”, it simply picks the currently-scheduled pid, i.e. the currently running process (on the current logical CPU). The effect is that /proc/self always points to the asking program’s pid; if you run

Who is the owner of a proc file?

The files inside each /proc/ [pid] directory are normally owned by the effective user and effective group ID of the process. However, as a security measure, the ownership is made root:root if the process’s “dumpable” attribute is set to a value other than 1.

How is the proc file used in SELinux?

In SELinux, this file is used to get the security context of a process. Prior to Linux 2.6.11, this file could not be used to set the security context (a write was always denied), since SELinux limited process security transitions to execve (2) (see the description of /proc/ [pid]/attr/exec, below).

How to write your own interface in / Proc /?

If you want to write your own interface in /proc/, say for example you want a /proc/unix.stackexchange/ filesystem that returns posts from this website you can read about how to do it in the venerable “Linux Device Drivers” book published by O’Reilly. It’s even available as softcopy online.