Update cheatsheets

linux/runlim

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# runlim
+
+> Sample and limit time and memory usage of a program and its child processes using the proc file system on Linux.
+> More information: <http://fmv.jku.at/runlim>.
+
+- Print the time and memory usage of a command:
+
+`runlim {{command}} {{command_arguments}}`
+
+- Log statistics to a file instead of `stdout`:
+
+`runlim --output-file={{path/to/file}} {{command}} {{command_arguments}}`
+
+- Limit time to an upper bound (in seconds):
+
+`runlim --time-limit={{number}} {{command}} {{command_arguments}}`
+
+- Limit real-time to an upper bound (in seconds):
+
+`runlim --real-time-limit={{number}} {{command}} {{command_arguments}}`
+
+- Limit space to an upper bound (in MB):
+
+`runlim --space-limit={{number}} {{command}} {{command_arguments}}`