Tutorial by Examples

For the current shell, this takes you to the previous directory that you were in, no matter where it was. cd - Doing it multiple times effectively "toggles" you being in the current directory or the previous one.
The default directory is the home directory ($HOME, typically /home/username), so cd without any directory takes you there cd Or you could be more explicit: cd $HOME A shortcut for the home directory is ~, so that could be used as well. cd ~
To change to an absolutely specified directory, use the entire name, starting with a backslash \, thus: cd /home/username/project/abc If you want to change to a directory near your current on, you can specify a relative location. For example, if you are already in /home/username/project, you can...
In general, there are two types of Bash scripts: System tools which operate from the current working directory Project tools which modify files relative to their own place in the files system For the second type of scripts, it is useful to change to the directory where the script is stored. T...

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