Z:gnu-bash--2c032a-Common shell variable names an/en

Common shell variable names and usage. BASH_VERSION	Version information for this Bash. CDPATH	A colon-separated list of directories to search for directories given as arguments to `cd'. GLOBIGNORE	A colon-separated list of patterns describing filenames to be ignored by pathname expansion. HISTFILE	The name of the file where your command history is stored. HISTFILESIZE	The maximum number of lines this file can contain. HISTSIZE	The maximum number of history lines that a running shell can access. HOME	The complete pathname to your login directory. HOSTNAME	The name of the current host. HOSTTYPE	The type of CPU this version of Bash is running under. IGNOREEOF	Controls the action of the shell on receipt of an EOF character as the sole input. If set, then the value of it is the number of EOF characters that can be seen in a row on an empty line before the shell will exit (default 10). When unset, EOF signifies the end of input. MACHTYPE	A string describing the current system Bash is running on. MAILCHECK	How often, in seconds, Bash checks for new mail. MAILPATH	A colon-separated list of filenames which Bash checks for new mail. OSTYPE	The version of Unix this version of Bash is running on. PATH	A colon-separated list of directories to search when looking for commands. PROMPT_COMMAND	A command to be executed before the printing of each primary prompt. PS1		The primary prompt string. PS2		The secondary prompt string. PWD		The full pathname of the current directory. SHELLOPTS	A colon-separated list of enabled shell options. TERM	The name of the current terminal type. TIMEFORMAT	The output format for timing statistics displayed by the `time' reserved word. auto_resume	Non-null means a command word appearing on a line by   		itself is first looked for in the list of currently stopped jobs. If found there, that job is foregrounded. A value of `exact' means that the command word must exactly match a command in the list of stopped jobs. A   		value of `substring' means that the command word must match a substring of the job. Any other value means that the command must be a prefix of a stopped job. histchars	Characters controlling history expansion and quick substitution. The first character is the history substitution character, usually `!'. The second is the `quick substitution' character, usually `^'. The third is the `history comment' character, usually `#'. HISTIGNORE	A colon-separated list of patterns used to decide which commands should be saved on the history list. \