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What happens when executing the cd command when at the home directory?
cd by itself or cd ~ will always put the user in their home directory. cd . will leave the user in the same directory they are currently in (i.e. the current directory won’t change).
How do I CD to a folder?
File & Directory Commands
- To navigate into the root directory, use “cd /”
- To navigate to your home directory, use “cd” or “cd ~”
- To navigate up one directory level, use “cd ..”
- To navigate to the previous directory (or back), use “cd -“
How to go to each directory in Bash?
Use find command. In GNU find, you can use -execdir parameter: For recursivity try extended globbing ( **/) instead (enable by: shopt -s extglob ). For more examples, see: How to go to each directory and execute a command? at SO Option A is correct for folders with spaces in between.
How to not use CD in all directories?
The best way is to not use cd at all: find some/dir -type f -execdir somecommand {} ; execdir is like exec, but the working directory is different: -execdir command {} [;|+] Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find.
How to run shell script into all directories?
-execdir command {} [;|+] Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find. This a much more secure method for invoking commands, as it avoids race conditions during resolution of the paths to the matched files. It is not POSIX.
How does the for loop in Bash work?
The for loop executes once for each directory directly within Parent_dir. For each of those directories, a sub-shell is spawned; in the sub-shell, we attempt to change into that directory (which might fail, e.g. if we have insufficient permission), and if we succeed, then execute the command.