2014年12月19日 · So Wikipedia (link) tells me that the command pwd is short for "print working directory", and that makes sense. But for the environment variable, the "P" has to be an acronym for something else t...

The pwd binary, on the other hand, gets the current directory through the getcwd(3) ...

2014年12月12日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Otherwise, if a value for PWD is passed to the shell in the environment when it is executed, the value is an absolute pathname of the current working directory, and the value does not contain any components that are dot or dot-dot, then it is unspecified whether the shell sets PWD to the value from the environment or sets PWD to the pathname ...

2022年7月15日 · What is the difference between cwd and pwd? I've tried googling it, and one of the answers mentioned that depending on some factor (which I sadly do not remember), the implementation (the code I'm assuming) is not the same? I don't suppose this is like the difference between print('x') vs return str(x) (to use a Python analogy)?

2016年2月13日 · Quick Test of pwd. As a quick test to see what pwd really prints, you can run the following: # Create a shell script containing pwd. cat <<-EOF > /tmp/test_pwd.sh #!/bin/sh pwd EOF # Make the script executable. chmod 755 /tmp/test_pwd.sh # Go somewhere on the filesystem, and call the test script. cd /etc /tmp/test_pwd.sh

2018年5月19日 · Then that will add the current directory (pwd is a command that prints the path of the current directory, and `pwd` will be replaced with the output of pwd) to the PATH variable for the duration of your current shell session (util you close the terminal). To illustrate:

pwd: show mountpoint. Ask Question Asked 12 years, 5 months ago. Modified 6 years, 3 months ago. Viewed 3k ...

Pass the -P option to pwd, i.e. run pwd -P. The -P option (for “physical”) tells pwd not to do any symbolic link tracking and display the “real” path to the directory. Alternatively, there should also be a real binary pwd, which does not do (and is even not able to do) this kind of magic. Just use that binary explicity:

2015年6月3日 · With Zsh it's as simple as ${(D)PWD}.. See under "Parameter Expansion Flags" in zshexpn(1): D. Assume the string or array elements contain directories and attempt to substitute the leading part of these by names.