X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fterm.7.html;h=7a6a2965524daa23c6acad35e04e063e9b667cc5;hp=334d625bab303bbaf8df437e48d366e9d2fd9f9d;hb=HEAD;hpb=0485620c03e69b1b58a6b12e5e45c98415fc7575 diff --git a/doc/html/man/term.7.html b/doc/html/man/term.7.html index 334d625b..9a885887 100644 --- a/doc/html/man/term.7.html +++ b/doc/html/man/term.7.html @@ -1,6 +1,7 @@ -
- --term(7) term(7) +term(7) Miscellaneous term(7) @@ -50,118 +51,117 @@
- The environment variable TERM should normally contain the type name of + The environment variable TERM should normally contain the type name of the terminal, console or display-device type you are using. This information is critical for all screen-oriented programs, including your editor and mailer. - A default TERM value will be set on a per-line basis by either - /etc/inittab (e.g., System-V-like UNIXes) or /etc/ttys (BSD UNIXes). - This will nearly always suffice for workstation and microcomputer con- - soles. + A default TERM value will be set on a per-line basis by either + /etc/inittab (e.g., System-V-like Unices) or /etc/ttys (BSD Unices). + This will nearly always suffice for workstation and microcomputer + consoles. If you use a dialup line, the type of device attached to it may vary. - Older UNIX systems pre-set a very dumb terminal type like "dumb" or + Older Unix systems pre-set a very dumb terminal type like "dumb" or "dialup" on dialup lines. Newer ones may pre-set "vt100", reflecting the prevalence of DEC VT100-compatible terminals and personal-computer emulators. - Modern telnets pass your TERM environment variable from the local side + Modern telnets pass your TERM environment variable from the local side to the remote one. There can be problems if the remote terminfo or - termcap entry for your type is not compatible with yours, but this sit- - uation is rare and can almost always be avoided by explicitly exporting - "vt100" (assuming you are in fact using a VT100-superset console, ter- - minal, or terminal emulator.) + termcap entry for your type is not compatible with yours, but this + situation is rare and can almost always be avoided by explicitly + exporting "vt100" (assuming you are in fact using a VT100-superset + console, terminal, or terminal emulator). - In any case, you are free to override the system TERM setting to your + In any case, you are free to override the system TERM setting to your taste in your shell profile. The tset(1) utility may be of assistance; you can give it a set of rules for deducing or requesting a terminal type based on the tty device and baud rate. - Setting your own TERM value may also be useful if you have created a + Setting your own TERM value may also be useful if you have created a custom entry incorporating options (such as visual bell or reverse- video) which you wish to override the system default type for your line. Terminal type descriptions are stored as files of capability data - underneath /usr/local/ncurses/lib/terminfo. To browse a list of all - terminal names recognized by the system, do + underneath /usr/share/terminfo. To browse a list of all terminal names + recognized by the system, do - toe | more + toe | more - from your shell. These capability files are in a binary format opti- - mized for retrieval speed (unlike the old text-based termcap format - they replace); to examine an entry, you must use the infocmp(1m) com- - mand. Invoke it as follows: + from your shell. These capability files are in a binary format + optimized for retrieval speed (unlike the old text-based termcap format + they replace); to examine an entry, you must use the infocmp(1m) + command. Invoke it as follows: - infocmp entry_name + infocmp entry_name where entry_name is the name of the type you wish to examine (and the - name of its capability file the subdirectory of - /usr/local/ncurses/lib/terminfo named for its first letter). This com- - mand dumps a capability file in the text format described by ter- - minfo(5). + name of its capability file the subdirectory of /usr/share/terminfo + named for its first letter). This command dumps a capability file in + the text format described by terminfo(5). - The first line of a terminfo(5) description gives the names by which - terminfo knows a terminal, separated by "|" (pipe-bar) characters with + The first line of a terminfo(5) description gives the names by which + terminfo knows a terminal, separated by "|" (pipe-bar) characters with the last name field terminated by a comma. The first name field is the - type's primary name, and is the one to use when setting TERM. The last - name field (if distinct from the first) is actually a description of - the terminal type (it may contain blanks; the others must be single - words). Name fields between the first and last (if present) are - aliases for the terminal, usually historical names retained for compat- - ibility. - - There are some conventions for how to choose terminal primary names - that help keep them informative and unique. Here is a step-by-step + type's primary name, and is the one to use when setting TERM. The last + name field (if distinct from the first) is actually a description of + the terminal type (it may contain blanks; the others must be single + words). Name fields between the first and last (if present) are + aliases for the terminal, usually historical names retained for + compatibility. + + There are some conventions for how to choose terminal primary names + that help keep them informative and unique. Here is a step-by-step guide to naming terminals that also explains how to parse them: - First, choose a root name. The root will consist of a lower-case let- - ter followed by up to seven lower-case letters or digits. You need to - avoid using punctuation characters in root names, because they are used - and interpreted as filenames and shell meta-characters (such as !, $, - *, ?, etc.) embedded in them may cause odd and unhelpful behavior. The - slash (/), or any other character that may be interpreted by anyone's - file system (\, $, [, ]), is especially dangerous (terminfo is plat- - form-independent, and choosing names with special characters could - someday make life difficult for users of a future port). The dot (.) - character is relatively safe as long as there is at most one per root + First, choose a root name. The root will consist of a lower-case + letter followed by up to seven lower-case letters or digits. You need + to avoid using punctuation characters in root names, because they are + used and interpreted as filenames and shell meta-characters (such as !, + $, *, ?, etc.) embedded in them may cause odd and unhelpful behavior. + The slash (/), or any other character that may be interpreted by + anyone's file system (\, $, [, ]), is especially dangerous (terminfo is + platform-independent, and choosing names with special characters could + someday make life difficult for users of a future port). The dot (.) + character is relatively safe as long as there is at most one per root name; some historical terminfo names use it. - The root name for a terminal or workstation console type should almost - always begin with a vendor prefix (such as hp for Hewlett-Packard, wy - for Wyse, or att for AT&T terminals), or a common name of the terminal - line (vt for the VT series of terminals from DEC, or sun for Sun - Microsystems workstation consoles, or regent for the ADDS Regent - series. You can list the terminfo tree to see what prefixes are - already in common use. The root name prefix should be followed when + The root name for a terminal or workstation console type should almost + always begin with a vendor prefix (such as hp for Hewlett-Packard, wy + for Wyse, or att for AT&T terminals), or a common name of the terminal + line (vt for the VT series of terminals from DEC, or sun for Sun + Microsystems workstation consoles, or regent for the ADDS Regent + series. You can list the terminfo tree to see what prefixes are + already in common use. The root name prefix should be followed when appropriate by a model number; thus vt100, hp2621, wy50. - The root name for a PC-Unix console type should be the OS name, i.e., - linux, bsdos, freebsd, netbsd. It should not be console or any other + The root name for a PC-Unix console type should be the OS name, i.e., + linux, bsdos, freebsd, netbsd. It should not be console or any other generic that might cause confusion in a multi-platform environment! If - a model number follows, it should indicate either the OS release level + a model number follows, it should indicate either the OS release level or the console driver release level. - The root name for a terminal emulator (assuming it does not fit one of - the standard ANSI or vt100 types) should be the program name or a read- - ily recognizable abbreviation of it (i.e., versaterm, ctrm). + The root name for a terminal emulator (assuming it does not fit one of + the standard ANSI or vt100 types) should be the program name or a + readily recognizable abbreviation of it (i.e., versaterm, ctrm). - Following the root name, you may add any reasonable number of hyphen- + Following the root name, you may add any reasonable number of hyphen- separated feature suffixes. 2p Has two pages of memory. Likewise 4p, 8p, etc. - mc Magic-cookie. Some terminals (notably older Wyses) can only sup- - port one attribute without magic-cookie lossage. Their base entry - is usually paired with another that has this suffix and uses magic - cookies to support multiple attributes. + mc Magic-cookie. Some terminals (notably older Wyses) can only + support one attribute without magic-cookie lossage. Their base + entry is usually paired with another that has this suffix and uses + magic cookies to support multiple attributes. -am Enable auto-margin (right-margin wraparound). -m Mono mode - suppress color support. - -na No arrow keys - termcap ignores arrow keys which are actually + -na No arrow keys - termcap ignores arrow keys which are actually there on the terminal, so the user can use the arrow keys locally. -nam No auto-margin - suppress am capability. @@ -178,52 +178,52 @@ -vb Use visible bell (flash) rather than beep. - -w Wide; terminal is in 132 column mode. + -w Wide; terminal is in 132-column mode. - Conventionally, if your terminal type is a variant intended to specify - a line height, that suffix should go first. So, for a hypothetical - FuBarCo model 2317 terminal in 30-line mode with reverse video, best + Conventionally, if your terminal type is a variant intended to specify + a line height, that suffix should go first. So, for a hypothetical + FuBarCo model 2317 terminal in 30-line mode with reverse video, best form would be fubar-30-rv (rather than, say, "fubar-rv-30"). - Terminal types that are written not as standalone entries, but rather - as components to be plugged into other entries via use capabilities, + Terminal types that are written not as standalone entries, but rather + as components to be plugged into other entries via use capabilities, are distinguished by using embedded plus signs rather than dashes. Commands which use a terminal type to control display often accept a -T - option that accepts a terminal name argument. Such programs should - fall back on the TERM environment variable when no -T option is speci- - fied. + option that accepts a terminal name argument. Such programs should + fall back on the TERM environment variable when no -T option is + specified. -
- For maximum compatibility with older System V UNIXes, names and aliases - should be unique within the first 14 characters. +
+ /usr/share/terminfo + compiled terminal description database + /etc/inittab + tty line initialization (AT&T-like Unices) -
- /usr/local/ncurses/lib/terminfo/?/* - compiled terminal capability data base + /etc/ttys + tty line initialization (BSD-like Unices) - /etc/inittab - tty line initialization (AT&T-like UNIXes) - /etc/ttys - tty line initialization (BSD-like UNIXes) +
+ For maximum compatibility with older System V Unices, names and aliases + should be unique within the first 14 characters.
- curses(3x), terminfo(5), term(5). + curses(3x), term(5), terminfo(5) - term(7) +ncurses 6.5 2024-03-16 term(7)