ｗａｖｅｓ
Environmental variables
♻️🌱🌍💚
♻️🌱🌍💚
Real or NanoRaptor?
Pinnen, ja graag
HeaderText Transport Protocol
100
What is vaporwave?
100
IEEE 1003 § 2.5.3
Set by the shell and by the cd utility. In the shell the value shall be initialized from the environment as follows. If a value for REDACTED is passed to the shell in the environment when it is executed, the value is an absolute pathname of the current working directory that is no longer than {PATH_MAX} bytes including the terminating null byte, and the value does not contain any components that are dot or dot-dot, then the shell shall set REDACTED to the value from the environment.
What is PWD?
100
What is a real Twentieth Anniversary Macintosh?
100
D+, D-, VCC, GND
What is USB?
100
Tells all caching mechanisms from server to client whether they may cache this object. It is measured in seconds
What is Cache-Control?
200
The format was developed and published for the first time in 1991 by IBM and Microsoft. The usual bitstream encoding is the linear pulse-code modulation (LPCM) format.
What is the Waveform Audio File Format (WAV)?
200
IEEE 1003 § 2.5.3
Each time an interactive shell is ready to read a command, the value of this variable shall be subjected to parameter expansion and written to standard error. The default value shall be "$ ". For users who have specific additional implementation-defined privileges, the default may be another, implementation-defined value. [...]
What is PS1?
200
What is a real SGI Espressigo?
200
MOSI, MISO, SCLK, CS
What is SPI?
200
The Media type of the body of the request (used with POST and PUT requests).
What is Content-Type?
300
What is Google Wave?
300
IETF RFC Draft by M. Thomson, Mozilla:
"Over time, multiple TLS implementations have informally adopted a file format that logging the secret values generated by the TLS key schedule. In many implementations, the file that the secrets are logged to is specified in an environment variable named REDACTED [...]"
What is SSLKEYLOGFILE?
300
What is NanoRaptor?
300
TDI, TDO, TMS, TCK
What is JTAG?
300
A de facto standard for identifying the originating IP address of a client connecting to a web server through an HTTP proxy or load balancer.
What is X-Forwarded-For?
400
The amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum. In an ideal version, the transitions between minimum and maximum are instantaneous.
What is a square wave?
400
Bash Reference Manual § 5.2
The line number in the script or shell function currently executing. Line numbers start with 1. When not in a script or function, the value is not guaranteed to be meaningful.
What is LINENO?
400
What is a real ThinkPad 555 Bubble Jet?
400
RED, GREEN, BLUE, ID2/RES, GND, RED_RTN, GREEN_RTN, BLUE_RTN, KEY/PWR, GND, ID0/RES, ID1/SDA, HSync, VSync, ID3/SCL
What is VGA?
400
An identifier for a specific version of a resource, often a message digest
What is ETag?
500
U+1F44B
What is the waving hand emoij?
500
Bash Reference Manual § 5.2
If this variable is in the environment when Bash starts, the shell enters POSIX mode before reading the startup files, as if the --posix invocation option had been supplied. If it is set while the shell is running, Bash enables POSIX mode, as if the command `set -o posix` had been executed. When the shell enters POSIX mode, it sets this variable if it was not already set.
What is POSIXLY_CORRECT?
500
What is NanoRaptor?
500
VSS, VCC, VEE, RS, R/W, E, DB0, DB1, DB2, DB3, DB4, DB5, DB6, DB7, LED+, LED−
What is an alphanumeric LCD controller (Hitachi HD44780 compatible)?
500
Server-side deep packet inspection of a unique ID identifying customers of Verizon Wireless; also known as "perma-cookie" or "supercookie"
What is X-UIDH?