Env (3perl)          - perl module that imports environment variables as scal...
anvil (8postfix)     - Postfix session count and request rate control
clearenv (3)         - clear the environment
Convert::UUlib (3pm) - Perl interface to the uulib library (a.k.a. uudeview/u...
db5.3_stat (1)       - Display statistics for Berkeley DB environments
Dpkg::BuildEnv (3)   - track build environment
env (1)              - run a program in a modified environment
envdir (8)           - runs another program with environment modified accordi...
environ (7)          - user environment
envsubst (1)         - substitutes environment variables in shell format strings
envuidgid (8)        - runs another program with environment variables indica...
envz (3)             - environment string support
envz_add (3)         - environment string support
envz_entry (3)       - environment string support
envz_get (3)         - environment string support
envz_merge (3)       - environment string support
envz_remove (3)      - environment string support
envz_strip (3)       - environment string support
Eval::TypeTiny (3pm) - utility to evaluate a string of Perl code in a clean e...
fakeroot (1)         - run a command in an environment faking root privileges...
fakeroot-sysv (1)    - run a command in an environment faking root privileges...
fakeroot-tcp (1)     - run a command in an environment faking root privileges...
getenv (3)           - get an environment variable
grub-editenv (1)     - edit GRUB environment block
HTML::Mason::CGIHandler (3pm) - Use Mason in a CGI environment
HTTP::Server::Simple::CGI::Environment (3pm) - a HTTP::Server::Simple mixin t...
i386 (8)             - change reported architecture in new program environmen...
ldap.conf (5)        - LDAP configuration file/environment variables
linux32 (1)          - change reported architecture in new program environmen...
linux64 (1)          - change reported architecture in new program environmen...
pam_env (8)          - PAM module to set/unset environment variables
pam_env.conf (5)     - the environment variables config file
pam_getenv (3)       - get a PAM environment variable
pam_getenv (8)       - get environment variables from /etc/environment
pam_getenvlist (3)   - getting the PAM environment
pam_misc_drop_env (3) - liberating a locally saved environment
pam_misc_paste_env (3) - transcribing an environment to that of PAM
pam_misc_setenv (3)  - BSD like PAM environment variable setting
pam_putenv (3)       - set or change PAM environment variable
pg_virtualenv (1)    - Create a throw-away PostgreSQL environment for running...
printenv (1)         - print all or part of environment
putenv (3)           - change or add an environment variable
secure_getenv (3)    - get an environment variable
setarch (8)          - change reported architecture in new program environmen...
snd_soc_add_dai_controls (9) - add an array of controls to a DAI. Convienienc...
systemd-detect-virt (1) - Detect execution in a virtualized environment
systemd.exec (5)     - Execution environment configuration
TAP::Harness::Env (3perl) - Parsing harness related environmental variables w...
x86_64 (8)           - change reported architecture in new program environmen...
xdg-settings (1)     - get various settings from the desktop environment