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What does ps aux grep do?
ps aux returns the full command line of each process, while pgrep only looks at the names of the executables. That means that grepping ps aux output will match anything that occurs in the path or the parameters of a process’ binary: e.g. `
What is aux command?
The ps aux command is a tool to monitor processes running on your Linux system. A process is associated with any program running on your system, and is used to manage and monitor a program’s memory usage, processor time, and I/O resources.
How does ps aux work?
The POSIX and UNIX standards require that “ps -aux” print all processes owned by a user named “x”, as well as printing all processes that would be selected by the -a option. If the user named “x” does not exist, this ps may interpret the command as “ps aux” instead and print a warning.
What is the syntax of ps command?
ps command is used to list the currently running processes and their PIDs along with some other information depends on different options. It reads the process information from the virtual files in /proc file-system. /proc contains virtual files, this is the reason it’s referred as a virtual file system.
Is there a way to run ps aux grep?
Running ps aux | grep foo is problematic since the grep foo command itself will match foo and so appear in the output. There are two common, if convoluted, workarounds for this. You either add a grep -v grep at the end of the pipe, or you use grep [f]oo instead.
Which is better ps aux or pgrep X?
S Jun25 0:00 python /usr/lib/software-properties/software-properties-dbus The ps aux | grep x command gives “better” results than pgrep x essentially because you are missing an option with the latter.
Why does grep not show up in PS?
However, the grep process showing up in the ps results will have the string [f]oo and is, therefore, not found by grep. This becomes more complicated if, as seems to be the case for you, you have a file called foo in your current directory.
What’s the difference between PS and grep in Linux?
Compare with using ps with grep. The useful header row is not printed: $ ps aux | grep [s]shd root 1902 0.0 0.1 82560 3580 ? Ss Oct20 0:00 /usr/sbin/sshd -D You can filter in the ps command, e.g. -f does full-format listing. This option can be combined with many other UNIX-style options to add additional columns.