My Cmdl Cheatsheet

Fri, 14 Aug 2026 14:35:08 +0800

fd

Search the current directory for all directories whose names contain the letter ’t'

$ fd -d 1 -t d '.*t.*'
DataLab
PythonLab
RustLab

-d 1 means the max depth is 1, which is equivalent to the current directory.
-t d means to only include entries of directory type.

Search against file full path

$ fd -p -i '.*pythonlab.*\.py$'
PythonLab/Scripts/lab.py

Search by file size

$ fd -l -S +800K '.*\.py$'
-rw-rw-r-- 2 chsu chsu 841K Nov  6  2025 ./AILab/Env/lib/python3.14/site-packages/debugpy/_vendored/pydevd/_pydevd_bundle/_debug_adapter/pydevd_schema.py
-rw-rw-r-- 2 chsu chsu 841K Jul  7 00:15 ./DuckDBLab/env/lib/python3.14/site-packages/debugpy/_vendored/pydevd/_pydevd_bundle/_debug_adapter/pydevd_schema.py

-S +/-<size> can specify a file size greater or smaller than <size>.
-l shows detailed information about the matching files.

Jupyter Lab

Start Jupyter Lab, listening on port 9523 and allowing traffic from all networks.

jupyter lab --ip=0.0.0.0 --port=9523

Vifm

Basic file operations

cw to rename (change word) the file
cW to rename the base name of the file
dd to delete/cut the file
t to toggle selection of the file
:filter <regex> to filter out/hide files from the file list
- :filter! <regex> to keep the files according to the regex

Hide/show hidden files

za to toggle hiding/showing hidden files

Preview files

w to toggle preview of the current file

Use marks as follows

m to mark/label the position
' to go to the marked position

Split/hide windows as follows

:only to only show the active window pane
vs to vertically split the window
sp to horizontally split the window

Cheatsheet on Tech Notes by ClaudeXu

My Cmdl Cheatsheet

fd

Jupyter Lab

Vifm