fish --version (return code: 0)
fish, version 2.6.0
fish --help (return code: 0)
fishfish - the friendly interactive shell
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[1mSynopsis[0m
[1mfish[0m [OPTIONS] [-c command] [FILE [ARGUMENTS...]]
[1mDescription[0m
fish is a command-line shell written mainly with interactive use in
mind. The full manual is available in HTML by using the help command
from inside fish.
The following options are available:
· -c or --command=COMMANDS evaluate the specified commands instead of
reading from the commandline
· -d or --debug-level=DEBUG_LEVEL specify the verbosity level of fish.
A higher number means higher verbosity. The default level is 1.
· -i or --interactive specify that fish is to run in interactive mode
· -l or --login specify that fish is to run as a login shell
· -n or --no-execute do not execute any commands, only perform syntax
checking
· -p or --profile=PROFILE_FILE when fish exits, output timing
information on all executed commands to the specified file
· -v or --version display version and exit
· -D or --debug-stack-frames=DEBUG_LEVEL specify how many stack frames
to display when debug messages are written. The default is zero. A
value of 3 or 4 is usually sufficient to gain insight into how a
given debug call was reached but you can specify a value up to 128.
The fish exit status is generally the exit status of the last
foreground command. If fish is exiting because of a parse error, the
exit status is 127.