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Locate a program file (UNIX)
which [-afLls] program...
Neutrino
- -a
- Find all occurrences of program in PATH.
- -f
- Display the full pathname.
- -L
- Display the long format (as in
ls -l) for each
program found, displaying link information if the file is a symlink.
- -l
- (“el”) Display the long format (as in
ls -l) for each
program found.
- -s
- Search for shared objects in the directories identified by the
LD_LIBRARY_PATH environment variable and the
_CS_LIBPATH configuration string.
The which utility searches for the specified programs.
By default, which searches the directories listed by your
PATH environment variable, but if you specify the -s
option, it searches the directories specified by
LD_LIBRARY_PATH and _CS_LIBPATH.
Display the full pathname and long status for all
versions
of the ls utility found in PATH:
which -alf ls
Display the pathname for the which utility:
which which
Locate the devg-flat.so shared object:
which -s devg-flat.so
- PATH
- A colon-separated list of directories to search for
executables.
- LD_LIBRARY_PATH
- A colon-separated list of directories to search for shared libraries.
- 0
- All input files were found.
- >0
- An error occurred.
ls,
whence (builtin ksh command)
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