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    Command:

    pstree

    
    
    

    SYNOPSIS

           pstree [-a] [-c] [-h|-Hpid] [-l] [-n] [-p] [-u] [-Z] [-A|-G|-U]
           [pid|user]
           pstree -V
    
    
    

    DESCRIPTION

           pstree shows running processes as a tree. The tree is rooted at  either
           pid or init if pid is omitted. If a user name is specified, all process
           trees rooted at processes owned by that user are shown.
    
           pstree visually merges identical branches by  putting  them  in  square
           brackets and prefixing them with the repetition count, e.g.
    
               init-+-getty
                    |-getty
                    |-getty
                    '-getty
    
           becomes
    
               init---4*[getty]
    
           Child  threads  of a process are found under the parent process and are
           shown with the process name in curly braces, e.g.
    
               icecast2---13*[{icecast2}]
    
           If pstree is called as pstree.x11 then it will prompt the user  at  the
           end of the line to press return and will not return until that has hap-
           pened. This is useful for when pstree is run in a xterminal.
    
           Certain kernel or mount parameters, such  as  the  hidepid  option  for
           procfs,  will  hide information for some processes. In these situations
           pstree will attempt to build the tree without this information, showing
           process names as question marks.
    
    
    

    OPTIONS

           -a     Show command line arguments. If the command line of a process is
                  swapped out, that process is shown in parentheses. -a implicitly
                  disables compaction.
    
           -A     Use ASCII characters to draw the tree.
    
           -c     Disable  compaction  of identical subtrees. By default, subtrees
                  are compacted whenever possible.
    
           -G     Use VT100 line drawing characters.
    
                  (Numeric sort.)
    
           -p     Show PIDs. PIDs are shown  as  decimal  numbers  in  parentheses
                  after each process name. -p implicitly disables compaction.
    
           -u     Show uid transitions. Whenever the uid of a process differs from
                  the uid of its parent, the new uid is shown in parentheses after
                  the process name.
    
           -U     Use  UTF-8 (Unicode) line drawing characters. Under Linux 1.1-54
                  and above, UTF-8 mode is entered on the  console  with  echo  -e
                  '\033%8' and left with echo -e '\033%@'
    
           -V     Display version information.
    
           -Z     (SELinux) Show security context for each process.
    
    
    

    FILES

           /proc     location of the proc file system
    
    
    

    AUTHORS

           Werner     Almesberger     <werner@almesberger.net>     Craig     Small
           <csmall@small.dropbear.id.au>
    
    
    

    BUGS

           Some character sets may be incompatible with the VT100 characters.
    
    
    

    SEE ALSO

           ps(1), top(1).
    
    
    

    Linux 2004-11-09 PSTREE(1)

    
    
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