useful features from the Korn and C shells ( ksh and csh ). Bash is intended ... startup files. In this mode, interactive shells expand the ENV variable and commands are readvariable expansion in bash (1) and other shells. The default is to enable this option ... SIGTERM. This is useful to indicate to shells and shell-like processes that the connectionBourne shell is assumed. (Most shells set this variable automatically). NOTES The script ends when ... recommended to run script in non-interactive shells. The inner shell of scrip…option ' -u ' is found. Different shells use different quoting conventions ... shell you are using. The following shells are currently supported: ' sh ', ' bash ', ' csh ' and ' tc…user’s environment setup scripts for login shells (e.g. .bash_profile) and your privately installed ... overhead for non-interactive shells by having a lean .bashrc file (they set …list. Note that unlike some other shells, each process in the pipeline is a childaccount information. /etc/shells List of valid login shells. /etc/login.defs Shadow password suite configuration. SEE ALSOlist. Note that unlike some other shells, each process in the pipeline is a childALSO setpriv (1), login.defs (5), shells (5), pam (8), runuser (1) REPORTING BUGSescaped with a backslash (some Unix shells require two) to get a listdifferences in how various operating systems and shells interpret filename wildcards, these checks may causethis is not in general possible in shells of more dubious heritage, as the theoreticalstraightforward form suitable for sourcing into most shells. If no special characters or whitespaceanother, without changing PIDs. Note that many shells interpret ";" as their own separator for commandbeing special, despite the fact that some shells including Bash imbue braces with a specialALSO setpriv (1), su (1), login.defs (5), shells (5), pam (8) REPORTING BUGSused by POSIX shells to signal specific error status (127 is for command not foundneed to be escaped or quoted for shells. Comparisons are arithmetic if both ARGsescaped (e.g., by backslashes) for shells. INTEGER may also be -l STRING, which evaluatessubstitution features similar to common Unix command shells. Variables are simply name/value pairs, where