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Jak użyć PS? Definicja w konsoli GNU long options start with two hyphens, which are required. BSD.
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Komenda/polecenie: Jak użyć ps

Uruchomienie, wykonanie: ps [options]

Jak działa PS, co robi PS: Report on active processes. ps has three types of options. GNU long options start with two hyphens, which are required. BSD options may be grouped and do not start with a hyphen, while Unix98 options may be grouped and require an initial hyphen. The meaning of the short options can vary depending on whether or not there is a hyphen. In options, list arguments should either be comma-separated or space-separated and placed inside double quotes. In comparing the amount of output produced, note that e prints more than a and l prints more than f for each entry

Dostępne opcje, wywołanie PS: nums, p nums, -p nums, --pid=nums

Include only specified processes, which are given in a space-delimited list.

-nums, -s nums, --sid=nums

Include only specified session IDs, which are given in a space-delimited list.

[-] a

As a, list all processes on a terminal. As -a, list all processes except session leaders and processes not associated with a terminal.

[-] c

As -c, show different scheduler information with -l. As c, show the true command name.

-C cmds

Select by command name.

--cols=cols, --columns=cols

Set the output width (the number of columns to display).


Select all processes except session leaders.

-e, -A

Select all processes.


Include environment information after the command.

[-] f, --forest

As -f, display full listing. As f or --forest, display "forest" family tree format, with ASCII art showing the relationships.


Set extra-full format; implies -f.

-g list, -G list, --group=groups, --Group=groups

For -g, select by session leader if list contains numbers, or by group if it contains group names. For -G, select by the group IDs in list. --group selects by effective group and --Group selects by real group, where groups can be either group names or group IDs.

h, --no-headers

Suppress header. If you select a BSD personality by setting the environment variable PS_PERSONALITY to bsd, then h prints a header on each page.


Display "forest" family tree format, but without ASCII art.


Display threads as if they were processes.


Repeat headers on every output page.


Display help information and exit.


Print debugging information.

[-] j

Jobs format. j prints more information than -j.

-k spec, --sort spec

Specify sort order. Syntax for the specification is:

[+|-] key[,[+|-] key...] ]

The default direction is +, for increasing numerical or alphabetic order. See Format and sort specifiers for possible keys.

[-] l

Produce a long listing. -l prints more information than l and is often used with -y.


Print list of field specifiers that can be used for output formatting or for sorting.


Show threads, possibly with LWP and NLWP columns.

--lines=num, --rows=num

Set the screen height to num lines. If --headers is also set, the headers repeat every num lines.

[-] m

Show threads after processes.


Print user IDs and WCHAN numerically.

-n file, N file

Specify the System.map file for ps to use as a namelist file. The map file must correspond to the Linux kernel—e.g., /boot/System.map-2.4.19.

-N, --deselect

Negate the selection, selecting all processes that do not meet the specified conditions.

[-] o fields, --format=fields

As -o, o, or --format, specify user-defined format with a list of fields to display.

[-] O fields

As -O, this option is like -o, but some common fields are predefined. As O, this option can be either the same as -O in specifying fields to display, or can specify single-letter fields for sorting. For sorting, each field specified as a key can optionally have a leading + (return to default sort direction on key) or - (reverse the default direction).


Select by parent process IDs.


Show only processes that are currently running.


Display signal format.

-S, --cumulative

Include some dead child process data in parent total.

[-] tttys, --tty=ttys

Display processes running on the specified terminals. t with no terminal list displays processes for the terminal associated with ps. Specify - to select processes not associated with any terminal.


Display all processes on this terminal. Like t with no argument.


Display threads, possibly with SPID column,

[-] u [users] , --user=users

As u with no argument, display user-oriented output. As -u or --user, display by effective user ID (and also support names), showing results for users. With no argument, -u displays results for the current user.

[-] U users, --User=users

As U, display processes by effective user ID. As -U or --User, display processes for users by real user ID (and also support names).


Display virtual memory format.

[-] V, --version

Display version information and then exit.

[-] w

Wide format. Don't truncate long lines. Use twice to set an unlimited width.


Set screen width.


Display processes without an associated terminal.


Use old Linux i386 register format.


Do not show flags; show rss instead of addr. Requires -l.

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