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My Learning

It include the following but not limited to

Linux Basic

A few shortcuts

Basic commands

$ pwd       # path of working directory
$ ls        # list the contents of current directory
$ cd Music  # changes the current directory to `Music` directory
$ cd ..     # change the directory to one level up except at '/'
$ cd -      # jumps to previous `pwd` before a `cd`
$ ls -l     # long listing the file
$ ls -lrt   # list file based on the modified date. recent at the last.
$ man ls    # list manual pages for  `ls`
$ ls --version # shows the version of `ls`. Sometimes it is `<cmd> -v`

vim

Three modes - command - insert - visual

switch modes

Arrows

insert

Edit in cmd mode