Linux Commands¶

!df -h 

!du -h ./ 

!du -sh ../ 

!du -csh ./ 

!wc -l < file.txt 

!grep -c "." file.txt 

!split -l 20 file.txt new 

!split -l 802 -a 1 file.csv dir/part-user-csv.tbl- 

!ls -1 | grep .txt | wc -l 

!cat * | grep -c "foo" folder/part* 

!sed -i '/Important Lines: /d’ original_file 

# Compress zip!zip -r archive_name.zip folder_to_compress # Compress zip without invisible Mac resources!zip -r -X archive_name.zip folder_to_compress # Extract zip!unzip archive_name.zip # Compress TAR.GZ!tar -zcvf archive_name.tar.gz folder_to_compress # Extract TAR.GZ!tar -zxvf archive_name.tar.gz # Compress TAR.BZ2!tar -jcvf archive_name.tar.bz2 folder_to_compress # Extract TAR.BZ2!tar -jxvf archive_name.tar.bz2 # Extract GZ!gunzip archivename.gz # Uncompress all tar.gz in current directory to another directory!for i in *.tar.gz;doecho working on $i; tar xvzf $i -C directory/ ;done

# Display the curl output:!curl donnemartin.com # Download the curl output to a file:!curl donnemartin.com > donnemartin.html # Download the curl output to a file -o!curl -o image.png http://i1.wp.com/donnemartin.com/wp-content/uploads/2015/02/splunk_cover.png # Download the curl output to a file, keeping the original file name -O!curl -O http://i1.wp.com/donnemartin.com/wp-content/uploads/2015/02/splunk_cover.png # Download multiple files, attempting to reuse the same connection!curl -O url1 -O url2 # Follow redirects -L!curl -L url # Resume a previous download -C -!curl -C - -O url # Authenticate -u!curl -u username:password url 

# Display sorted info about processes!top # Display all running processes!ps aux | less # Display all matching running processes with full formatting!ps -ef | grep python # See processes run by user dmartin!ps -u dmartin # Display running processes as a tree!pstree 

exportPS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\W\[\033[00m\]\$ 'exportCLICOLOR=1exportLSCOLORS=ExFxBxDxCxegedabagacadaliasls='ls -GFh'

!source ~/.bash_profile 

Normalmode:escBasicmovement:h,j,k,lWordmovement:w,W,e,E,b,BGotomatchingparenthesis:%Gotostartoftheline:0Gotoendoftheline:$Findcharacter:fInsertmode:iAppendtoline:ADeletecharacter:xDeletecommand:dDeleteline:ddReplacecommand:rChangecommand:cUndo:u(Uforallchangesonaline)Redo:CTRL-RCopythecurrentline:yyPastethecurrentline:p(Pforpasteabovecursor)Quitwithoutsavingchanges:q!Writethecurrentfileandquit::wq

!cd ~ !vim .vimrc # Add the following to ~/.vimrcsyntaxon:wq# press shift tab and type zz also saves your content

# kill processes if your GPU is in usage!sudo kill -9 23050 // sudo kill -9 23050

# get nvidia version!cat proc/driver/nvidia/version 

# getting cuda versions & seeing if nvcc is installed! nvcc --version 

# download kaggle competition via CLI (command line interface)!kaggle competitions download prostate-cancer-grade-assessment 

# convert image files and change sizes in bulk# get imagemagick!sudo apt-get install imagemagick -y #what's the current format1590identify-format"%wx%h""COVID-19(219).png"# resize if they are all in various formats!for i in$( ls *.png);do convert -resize 300x300 $i re_$i;done# use this1594find.-name'*.png'-execdirmogrify-resize'300x300>'{} \;#check size again!identify -format "%wx%h""COVID-19(219).png"#change jpg and jpeg to once format!mogrify -format png *.jpg !mogrify -format png *.jpeg