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Operating Systems Linux Handling "command not found" exception Post 302269543 by ddreggors on Thursday 18th of December 2008 02:29:03 AM
Old 12-18-2008
fish is a shell like bash, sh, or tcsh... once installed you can either set that to your login shell in "/etc/passwd" or from your login shell type "fish" to switch to that shell.

If you have fish installed you and are logged into that shell, as you type the text will be red and as it recognizes the command all text will turn green.

For intance as I typed "ls", the letter l was red and when I hit the letter "s" the "ls" turned green.
 

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VIEW-OS(1)						      General Commands Manual							VIEW-OS(1)

NAME
viewsu - change (virtual) user ID or become (virtual) superuser SYNOPSIS
viewsu [options] [username] DESCRIPTION
The viewsu command is used to become another user during a login session. Invoked without a username, viewsu defaults to becoming the supe- ruser. The optional argument - may be used to provide an environment similar to what the user would expect had the user logged in directly. This command is the View-OS counterpart of the su(1) command. The value of $PATH is reset to /bin:/usr/bin for normal users, or /sbin:/bin:/usr/sbin:/usr/bin for the superuser. This may be changed with the ENV_PATH and ENV_SUPATH definitions in /etc/login.defs. OPTIONS
The options which apply to the viewsu command are: -c, --command COMMAND Specify a command that will be invoked by the shell using its -c. -, -l, --login Provide an environment similar to what the user would expect had the user logged in directly. When - is used, it must be specified as the last viewsu option. The other forms (-l and --login) do not have this restriction. -s, --shell SHELL The shell that will be invoked. The invoked shell is chosen from (highest priority first): o The shell specified with --shell. o The shell indicated in the /etc/passwd entry for the target user. o /bin/sh if a shell could not be found by any above method. SEE ALSO
su(1), linux.defs(5) AUTHORS
View-OS is a project of the Computer Science Department, University of Bologna. Project Leader: Renzo Davoli. <http://www.sourceforge.net/projects/view-os> Howto's and further information can be found on the project wiki <wiki.virtualsquare.org>. NOTE
Most part of the text is taken from su(1). VIEW-OS: a process with a view August 5, 2009 VIEW-OS(1)
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