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Property:environ

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Procfs-Object

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Details

environ contains the initial shell Environment of a process when it was launched.

This is what env prints, but each line is zero terminated instead of a line feed.

Excerpt from the proc(5) man page:

/proc/[pid]/environ

       This file contains the initial environment that was set
       when the currently executing program was started via
       execve(2).  The entries are separated by null bytes
       ('\0'), and there may be a null byte at the end.  Thus, to
       print out the environment of process 1, you would do:

           $ cat /proc/1/environ | tr '\000' '\n'

       If, after an execve(2), the process modifies its
       environment (e.g., by calling functions such as putenv(3)
       or modifying the environ(7) variable directly), this file
       will not reflect those changes.

       Furthermore, a process may change the memory location that
       this file refers via prctl(2) operations such as
       PR_SET_MM_ENV_START.

       Permission to access this file is governed by a ptrace
       access mode PTRACE_MODE_READ_FSCREDS check; see ptrace(2).

Examples

Fw 7.29 examples:

root@fritz1:/var/mod/root# hexdump -n 128 -C /proc/self/environ

00000000  43 4f 4e 46 49 47 5f 46  4f 4e 5f 48 44 3d 79 00  |CONFIG_FON_HD=y.|
00000010  43 4f 4e 46 49 47 5f 54  49 4d 45 52 43 4f 4e 54  |CONFIG_TIMERCONT|
00000020  52 4f 4c 3d 79 00 43 4f  4e 46 49 47 5f 55 53 42  |ROL=y.CONFIG_USB|
00000030  5f 53 54 4f 52 41 47 45  5f 55 53 45 52 53 3d 6e  |_STORAGE_USERS=n|
00000040  00 43 4f 4e 46 49 47 5f  57 4c 41 4e 3d 79 00 43  |.CONFIG_WLAN=y.C|
00000050  4f 4e 46 49 47 5f 57 4c  41 4e 5f 52 41 44 49 4f  |ONFIG_WLAN_RADIO|
00000060  53 45 4e 53 4f 52 3d 79  00 43 4f 4e 46 49 47 5f  |SENSOR=y.CONFIG_|
00000070  41 42 5f 43 4f 55 4e 54  3d 31 00 43 4f 4e 46 49  |AB_COUNT=1.CONFI|
00000080

root@fritz1:/var/mod/root# strings /proc/self/environ | head

CONFIG_FON_HD=y
CONFIG_TIMERCONTROL=y
CONFIG_USB_STORAGE_USERS=n
CONFIG_WLAN=y
CONFIG_WLAN_RADIOSENSOR=y
CONFIG_AB_COUNT=1
CONFIG_DSL_VRX518=y
CONFIG_EWETEL_SMARTMETER=n
CONFIG_FON_IPPHONE=y
CONFIG_I2C=n

root@fritz1:/var/mod/root# env | head

CONFIG_FON_HD=y
CONFIG_TIMERCONTROL=y
CONFIG_USB_STORAGE_USERS=n
CONFIG_WLAN=y
CONFIG_WLAN_RADIOSENSOR=y
CONFIG_AB_COUNT=1
CONFIG_DSL_VRX518=y
CONFIG_EWETEL_SMARTMETER=n
CONFIG_FON_IPPHONE=y
CONFIG_I2C=n

Dependencies

Daily updated index of all dependencies of this object. Last update: GMT.
A ** in the Mod column marks info from Supportdata2 probes, which will always stay incomplete.
A - in the Mod column marks manual research, the Firmware then shows where the Object occurs, not the Relation.

Relation Typ Object Mod Firmware Info Origin
0 dependencies for this object

Model-Matrix

Daily updated index of the presence, path and size of this object for each model. Last update: 2024-11-15 05:19 GMT.
Showing all models using this object. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom/rtl) label in the Model column shows which CPU is meant for Multi-Linux models.
Note that this list comes from Supportdata2 probes, which can have arbitrary settings and come from different firmware versions.
It doesn't say much if a model is not listed here. It may be a missing supportdata2 file or just a disabled feature.

Help Supportdata2

The data in this article is incomplete since it was manually collected using the Supportdata2 project.

Unlike the Supportdata-Probes which have been collected for years Supportdata2 is brand new and only has a few probes.
If you have access to a shell then please help to extend the Supportdata2 collection to improve this data.

It's easy and it's done in minutes. Please send created data as an Email attachment to the address listed here. Thanks!

SMW-Browser

Information is currently being retrieved from the backend.
 

Synonyms

Showing 1 related property.

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