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Full Discussion: Command to check if a particular process is running
Top Forums UNIX for Dummies Questions & Answers Command to check if a particular process is running Post 302425837 by achenle on Sunday 30th of May 2010 04:34:00 PM
Old 05-30-2010
"prstat" and "/usr/ucb/ps" are Solaris commands.

On Linux, you can use the "lsof" command on the binary file. For example:

Code:
# lsof /bin/bash
COMMAND   PID    USER  FD   TYPE DEVICE   SIZE    NODE NAME
sh       3125    root txt    REG    8,3 801512 5984927 /bin/bash
bash    14211    root txt    REG    8,3 801512 5984927 /bin/bash

Note the value of the "FD" column. If that's "txt", that means the file is mapped as executable text - in this case, the process is the "bash" process.
 

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LEARN ABOUT LINUX

pldd

PLDD(1) 							 Linux User Manual							   PLDD(1)

NAME

       pldd - display dynamic shared objects linked into a process

SYNOPSIS

       pldd PID
       pldd OPTION

DESCRIPTION

       The  pldd  command  displays a list of the dynamic shared objects that are linked into the process with the specified process ID.  The list
       includes the libraries that have been dynamically loaded using dlopen(3).

OPTIONS

       -?, --help
	      Display program help message.

       --usage
	      Display a short usage message.

       -V, --version
	      Display the program version.

VERSIONS

       pldd is available since glibc 2.15.

CONFORMING TO

       The pldd command is not specified by POSIX.1.  Some other systems have a similar command.

EXIT STATUS

       On success, pldd exits with the status 0.  If the specified process does not exist, the user does not have permission to access its dynamic
       shared  object  list, or no command-line arguments are supplied, pldd exists with a status of 1.  If given an invalid option, it exits with
       the status 64.

EXAMPLE

       $ echo $$	       # Display PID of shell
       1143
       $ pldd $$	       # Display DSOs linked into the shell
       1143:	 /usr/bin/bash
       linux-vdso.so.1
       /lib64/libtinfo.so.5
       /lib64/libdl.so.2
       /lib64/libc.so.6
       /lib64/ld-linux-x86-64.so.2
       /lib64/libnss_files.so.2

NOTES

       The command

	    lsof -p PID

       also shows output that includes the dynamic shared objects that are linked into a process.

SEE ALSO

       ldd(1), lsof(1), dlopen(3), ld.so(8)

GNU
								    2014-09-27								   PLDD(1)
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