:max_bytes(150000):strip_icc()/6CUfePlgBA-6d8563279577450e95425d790a83ff4c.png "open e with tilde")
I can't immediately find a use for ' ~+', unless you do some weird stuff with moving symlinks in the path leading to the current directory. As Sean Bright pointed out in a comment, the baseline tilde behavior regarding home directories is codified as standard behavior for POSIX-compliant shells. Reference sheet of the all alt key codes for special characters and symbols with instructions for entering through Alt on Windows. It might be worth mentioning that: cd ~- # Change to previous directory ($OLDPWD)Ĭd ~+ # Change to current directory ($PWD) Just copy and paste HTML Codes for special. For example, hold down the Option key and then type ‘ (single quote), you get æ. To type special characters on Mac, hold down the Option key and then type one or more keys. For example, Hold down the Alt key and then type 0230 or 145, you will get æ.
#Open e with tilde software
I use some software (and I don't have much choice about using it) that treats the information from the password file as the current value of $HOME, which is wrong.Īpplying this to the question - as others have pointed out, ' cd ~x' goes to the home directory of user 'x', and more generally, whenever tilde expansion is done, ~x means the home directory of user 'x' (and it is an error if user 'x' does not exist). Make sure that your numeric keypad is activated. The annoying stuff is that most software behaves as above (and the POSIX specification for the shell requires this behaviour). The second reads from the password file (approximately NIS complicates things a bit) and finds that the password file says my home directory is /u/jleffler and changes to that directory. To find the accented character Alt codes (Alt Keyboard Sequences), open the Start Menu, type in Character Map, and click the result. Press the Num Lock key on the keyboard to activate the keyboards numeric key section. The first pays attention to the value of environment variable $HOME I deliberately set my $HOME to a local file system instead of an NFS-mounted file system. They can be typed into a text by holding down the Alt key and entering their Alt code. On my machine, because of the way I have things set up, doing: cd ~ # /work1/jleffler
#Open e with tilde full
Also included is a full list of ASCII characters that can be represented in HTML (i.e. Additionally, the wordexp() C API function is specified to implement this behavior. Complete list of HTML entities with their numbers and names. Here's a summary: ~ $HOMEĭirs and ~1, ~-1, etc., are used in conjunction with pushd and popd.Īs Sean Bright pointed out in a comment, the baseline tilde behavior regarding home directories is codified as standard behavior for POSIX-compliant shells. Tilde expansion is more than home directory lookup. This function is usually controlled by NSS so by default values are pulled out of /etc/passwd, though it can be configured to retrieve the information using any source desired, such as NIS, LDAP or an SQL database. To answer your question about where the information comes from: your home directory comes from the variable $HOME (no matter what you store there), while other user's homes are retrieved real-time using getpwent(). You'll get different behavior with csh, for example. It's a function of the shell, not the OS. It's a Bash feature called " tilde expansion".
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