Linux cli command ulimit

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command ulimit and provides detailed information about the command ulimit, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the ulimit.

  2 minute read  

NAME 🖥️ ulimit 🖥️

get and set user limits

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <ulimit.h>
[[deprecated]] long ulimit(int cmd, long newlimit);

DESCRIPTION

Warning: this routine is obsolete. Use getrlimit(2), setrlimit(2), and sysconf(3) instead. For the shell command ulimit, see bash(1).

The ulimit() call will get or set some limit for the calling process. The cmd argument can have one of the following values.

UL_GETFSIZE
Return the limit on the size of a file, in units of 512 bytes.

UL_SETFSIZE
Set the limit on the size of a file.

3
(Not implemented for Linux.) Return the maximum possible address of the data segment.

4
(Implemented but no symbolic constant provided.) Return the maximum number of files that the calling process can open.

RETURN VALUE

On success, ulimit() returns a nonnegative value. On error, -1 is returned, and errno is set to indicate the error.

ERRORS

EPERM
An unprivileged process tried to increase a limit.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

InterfaceAttributeValue

ulimit()

Thread safetyMT-Safe

STANDARDS

POSIX.1-2008.

HISTORY

SVr4, POSIX.1-2001. POSIX.1-2008 marks it as obsolete.

SEE ALSO

bash(1), getrlimit(2), setrlimit(2), sysconf(3)

░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░

  █║▌│║█║▌★ KALI ★ PARROT ★ DEBIAN 🔴 PENTESTING ★ HACKING ★ █║▌│║█║▌

              ██╗ ██╗ ██████╗  ██████╗ ██╗  ██╗███████╗██████╗
             ████████╗██╔══██╗██╔═══██╗╚██╗██╔╝██╔════╝██╔══██╗
             ╚██╔═██╔╝██║  ██║██║   ██║ ╚███╔╝ █████╗  ██║  ██║
             ████████╗██║  ██║██║   ██║ ██╔██╗ ██╔══╝  ██║  ██║
             ╚██╔═██╔╝██████╔╝╚██████╔╝██╔╝ ██╗███████╗██████╔╝
              ╚═╝ ╚═╝ ╚═════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝╚═════╝

               █║▌│║█║▌ WITH COMMANDLINE-KUNGFU POWER █║▌│║█║▌

░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░