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the column length for printing selection lists. Automatically set upon receipt of a SIGWINCH. MAIL If this parameter is set to a file name and the MAILPATH variable is not set. bash informs the user of the arrival of mail in the specified file. MAILCHECK Specifies how often (in seconds) bash checks fo

l, no timing information is displayed. A trailing newline is added when the format string is displayed. TMOUT If set to a value greater than zero, TMOUT is treated as the default timeout for the read builtin. The select command terminates if input does not arrive after TMOUT seconds when input is com

ing a : ' or the first In these cases, tilde expansion is also performed. Consequently, one may use file names with tildes in assignments to PATH, MAILPATH, and CDPATH, and the shell assigns the expanded value. The following table shows how Bash treats unquoted tilde-prefixes: The value of $HOME EFTA

l, no timing information is displayed. A trailing newline is added when the format string is displayed. TMOUT If set to a value greater than zero, TMOUT is treated as the default timeout for the read builtin (see Section 4.2 [Bash Builtins], page 39). The select command (see Section 3.2.4.2 [Conditi

INES 61 SHELL 62 SHELLOPTS 62 SHLVL 62 Pyl show-all-if-ambiguous 93 MACHTYPE 61 show-all-if-unmodified 93 MAIL 55 MAILCHECK 61 T MAILPATH 55 TEXTDOMAIN 7 mark-modified-lines 93 TEXTDOMAINDIR 7 mark-symlinked-directories 93 TIMEFORMAT 62 match-hidden-files 93 TROUT 62 me

top or newgrp builtins. • Bash does not use the SHACCT variable or perform shell accounting. • The SVR4.2 sh uses a TIMEOUT variable like Bash uses TMOUT. More features unique to Bash may be found in Chapter 6 [Bash Features], page 65. B.1 Implementation Differences From The SVR4.2 Shell Since Bash