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Find all *.sql files in maximum 1 level down the current directory, process it with sed and then send the output to a mysql command | find -maxdepth 1 -name '*.sql' -exec cat '{}' \; | sed -e 's/ , );/1,1);/g' | mysql -D ootp |
Print a count of all unique entries in "ips.txt" with the most frequent results at the top | sort ips.txt | uniq -c | sort -bgr |
Copy loadable kernel module "mymodule.ko" to the drivers in modules directory matchig current kernel. | sudo cp mymodule.ko /lib/modules/$(uname -r)/kernel/drivers/ |
Remove all files and directories in the current directory by answering with "y" to all prompts | yes | /bin/rm -i * |
find files which full path name is /tmp/foo/bar under foo directory and print | find foo -path /tmp/foo/bar -print |
Find all files/directories under current directory that were accessed less than 1 day ago | find . -atime -1 -print |
Gets string with MAC addess of network interface eth0. | ifconfig eth0 | grep HWaddr |
find all the files in the entire file system whose size is greater than 20MB | find / -type f -size +20000k |
copy the file header.shtml to those dirs | find dir1 dir2 dir3 dir4 -type d -exec cp header.shtml {} \; |
Report file system containing path-to-file disk usage human-readable. | df -h path-to-file |
find all the png files in current folder which are present in the pattern list file "search.txt" | find . -name '*.png' | grep -f <(sed s/^/[0-9]_[0-9]_[0-9]_/ search.txt) |
run ls command on files found | find . -name "*.pl" -exec ls -ld {} \; |
Print the MD5 message digest of "/path/to/destination/file" | md5sum /path/to/destination/file |
Set permissions for files in `foldername' to 777 | find foldername -exec chmod a+rwx {} ";" |
Print last day of April, 2009 | cal 4 2009 | tr ' ' '\n' | grep -v ^$ | tail -n 1 |
Calculates process depth of process with id $processid, and stores it in a 'depth' variable. | depth=$ |
Find all php files in current directory and delete lines matching the regex '<\?php \/\*\*\/eval(base64_decode(.*));.*\?>' in those files | find . \( -name "*.php" \) -exec grep -Hn "<\?php /\*\*/eval(base64_decode(.*));.*\?>" {} \; -exec sed -i '/<\?php \/\*\*\/eval(base64_decode(.*));.*\?>/d' {} \; |
find all the files ending with ".sh" in the folder /dir excluding those wth the names foo and bar. | find /dir \( -name foo -prune \) -o \( -name bar -prune \) -o -name "*.sh" -print |
Display a detailed listing of the current directory, pausing for user input after each page. | ls -l | more |
Change permissions of directory "/home/sshtunnel/" to 555 | chmod 555 /home/sshtunnel/ |
Find the file whose inode number is 1316256 | find . -inum 1316256 |
Find all files/directories named 'articles.jpg' under 'images' directory tree | find images -name "articles.jpg" |
find all the "passwd" files in the entire file system | find / -iname passwd |
Split "infile" into 2 files of about equal size | split -n2 infile |
Look for any files that have not been modified in the last two days | find -mtime +2 |
Recursively changes group ownership of everything within a '/path/to/repo' to 'GROUP'. | chgrp -R GROUP /path/to/repo |
Find only files under /etc with the size of 100k-150k | find /etc -size +100k -size -150k |
set alias "go" for command 'GOPATH=$ go' | alias go='GOPATH=$ go' |
Search the current directory tree for all image files | find . -type f -regex ".*\.\(jpg\|jpeg\|gif\|png\|JPG\|JPEG\|GIF\|PNG\)" |
Move all hidden files in "/path/subfolder/" to "/path/" | mv /path/subfolder/.* /path/ |
Find all *.sql files in maximum 1 level down the current directory, process it with sed and then send the output to a mysql command | find . -maxdepth 1 -name '*.sql' -exec "sed -e 's/ , );/1,1);/g' '{}' | /usr/bin/mysql -D ootp" \; |
start from current directory, skip the directory src/emacs and print it then skip all files and directories under it, and print the names of the other files found | find . -wholename './src/emacs' -prune , -print |
Gets IP addresses of all active network interfaces. | ifconfig | grep -oP ".*?" |
find all the files in current directory of size exactly 6MB. | find . -size 6M |
Finds file 'Subscription.java' and changes to containing folder. | cd $(find . -name Subscription.java | xargs dirname) |
Report total file systems disk usage in 1T blocks. | df --total -BT | tail -n 1 |
Remove the files or directories 'bin/node', 'bin/node-waf', 'include/node', 'lib/node', 'lib/pkgconfig/nodejs.pc' and 'share/man/man1/node.1' | rm -r bin/node bin/node-waf include/node lib/node lib/pkgconfig/nodejs.pc share/man/man1/node.1 |
Create an archive named newArch from the contents of ./test directory | find ./test -printf "././%f\n"| cpio -o -F newArch |
Print unique list of who is logged in and the time of login formatted in columns | who -su | sort | uniq | column |
Find all regular files under $FOLDER directory tree that start with '".' and end with '"' in their names and were modified in less than $RETENTION days excluding the files whose contents match one of the regular expressions defined per line in file $SKIP_FILE | find ${FOLDER} -type f ! -name \".*\" -mtime -${RETENTION} | egrep -vf ${SKIP_FILE} |
List all directories of the $topdir directory tree that contain a Makefile and at least one .py file | find "$topdir" -name '*.py' -printf '%h\0' | xargs -0 -I {} find {} -mindepth 1 -maxdepth 1 -name Makefile -printf '%h\n' | sort -u |
Run sed command "s#\\#\1/home/$/bin:~/\.local/bin:\2#" on "~/.zshrc" where "$" is replaced with the current user name | sed -i "s#\\#\1/home/$/bin:~/\.local/bin:\2#" ~/.zshrc |
Select everything selected by * without descending into any directories | find * -maxdepth 0 |
Print flow of random data, showing all non-printing characters | cat -v /dev/urandom |
Cuts off last two parts from the path $dir, and deletes resulted folder if empty. | rmdir "$(dirname $(dirname $dir))" |
Find all files in maximum 1 level down the current directory that were modified less than 1 day ago from today | find -maxdepth 1 -type f -daystart -mtime -1 |
Searches the manual page names and descriptions by 'disk' keyword. | apropos disk |
Run the PHP script 'yourscript.php', making it immune to SIGHUP signals. | nohup php -f 'yourscript'.php |
Delete all files named 'core' under current directory | find . -name "core" -exec rm -f {} \; |
Immediately exit the shell if a command fails | set -e |
Save the absolute path of the current script to variable "SELF" | actual_path=$ |
Find root's files in the current directory tree | find ./ -user root |
login as user YOUR_USER | su - YOUR_USER |
Search the XML files from directories /res/values-en-rUS and /res/xml for string "hovering_msg" | find /res/values-en-rUS /res/xml -iname '*.xml' | while read file; do grep -i "hovering_msg" "$file"; done |
Delete all empty directories in minimum 1 level down the directory 'directory' | find directory -mindepth 1 -type d -empty -delete |
Find files owned by no group | find / -nogroup |
find all the normal/regular files in current directory and display file names with new line as delimiter | find . -type f -exec printf '%.0sbla\n' {} + |
Find all *.txt files under / and print their sizes and paths | find / -name '*.txt' -exec du -hc {} \; |
Calculate the total amount of memory usage of the current user | alias memu="ps -u $ -o pid,rss,command | awk '{print \$0}{sum+=\$2} END {print \"Total\", sum/1024, \"MB\"}'" |
Create a symbolic link named the basename of "$file" to "$file" | ln -s $file `basename $file` |
find all the files in the current folder which have not been modified in the last 90 days and force delete them | find . -mtime +90 -type f -exec rm -f {} \; |
Search for file "file" between level 2 and 3 of the directory tree | find -mindepth 2 -maxdepth 3 -name file |
Write 200 lines of "this is the text I want to add to a file" to myFile.txt | yes "this is the text I want to add to a file"|head -200>myFile.txt |
Search the /mnt/raid/upload directory tree for files that have not been modified within the last 5 days | find /mnt/raid/upload -mtime +5 -print |
List all the .c files under the current directory and below in a 3 column format | find . -name "*.c" | xargs -n3 |
Truncate all non-empty regular files under the current directory | find . -type f -maxdepth 1 -not -empty -print0 | xargs -0i cp /dev/null {} |
Print fourth column of data from text file "file" where columns separated by one or more whitespace. | tr -s ' ' < file | cut -d' ' -f4 |
find js file which name is not 'glob-for-excluded-dir' under current directory. | find . -name '*.js' -\! -name 'glob-for-excluded-dir' -prune |
Find all files under $d directory (no sub-directories) that are executable by owner and print only their names | find $d -maxdepth 1 -perm -100 -type f | sed 's#.*/##' |
Find recursively the latest modified file in the current directory | find . -type f -print0 | xargs -0 ls -ltr | tail -n 1 |
Print "y" for each line in "file2.txt" found in "file1.txt" and a blank newline otherwise | comm -2 file1.txt file2.txt | awk -F'\t' '{print (NF==2?"y":"")}' |
list complete path name to process associated with pid "$1" | find /proc/$1/exe -printf '%l\n' |
prints last part of a logfile since timestamp 423 | tac file.log | awk '{ if ($1 >= 423) print; else exit; }' | tac |
Find all files/directories under mnt/naspath that were modified in last 24 hours, calculate the total size and redirect the result to /tmp/size.log file | find /mnt/naspath -mtime 0 -print0 | du --files0-from=- -hc | tail -n1 >> /tmp/size.log |
Enables shell option 'direxpand'. | shopt -s direxpand |
filter output of bind -p by regex | bind -p | grep -a forward |
Counts the number of lines in each *.swift or *.mm file in a git repository, escaping any space in filename. | git ls-files | sed 's/ /\\ /g' | grep -E "\.*" | xargs wc -l |
Print the ping time number only of a single request to "8.8.8.8" | ping -c 1 8.8.8.8 | awk 'FNR == 2 { print $ }' | cut -d'=' -f2 |
find all regular files in current directory and replace the word searc to replace in them. | find . -type f -exec sed -i 's/searc/replace/g' {} \; |
Find files in the /var/log folder which were modified between 60 minutes and 10 minutes ago | find /var/log/ -mmin -60 -mmin +10 |
Search directory foo for files containing "/tmp/foo/bar" in their full names | find foo -path /tmp/foo/bar -print |
Find all *.xml.bz2 files under current directory | find . | grep ".xml.bz2$" |
Removes all files from current folder but 5 newest ones, filtering out directories from initial search. | ls -tp | grep -v '/$' | tail -n +6 | xargs -d '\n' rm -- |
Search the current directory tree for files and directories whose names do not end in "exe" and "dll" | find . | grep -v '(dll|exe)$' |
Force delete all jpg files in current directory which are less than 50KB and do not search in the sub directories | find . -maxdepth 1 -name "*.jpg" -size -50k | xargs rm -f |
Find all the files in entire file system with the extensions txt or doc, as well as any file larger than 5MB in size | find / \( -name '*.txt' -o -name '*.doc' -o -size +5M \) |
recursively change owner of the directory /usr/local/lib/node_modules/ to the current user | sudo chown -R $USER /usr/local/lib/node_modules |
Search the current directory for PHP files | find . -type f -name "*.php" |
Merge colon-separated information from file1 and file2 where first field of both files matches | join -t: <(sort file1) <(sort file2) |
find all the html, javascript and text files in the current folder | find . -type f -name "*.htm*" -o -name "*.js*" -o -name "*.txt" |
Monitor 3 specific process IDs: 18884, 18892, and 18919 | top -p 18884 -p 18892 -p 18919 |
Print unique lines of sorted file "a" and "b" and remove leading tabs | comm -3 a b | sed 's/^\t//' |
Find any hidden regular files in the current directory and its sub-directories that were modified after .cshrc was last modified. | find . -type f -name ".*" -newer .cshrc -print |
find all the empty directories in current folder and delete them | find ./ -empty -type d -delete |
Perform a default Plesk configuration | find /var/www/vhosts/*/httpdocs -type f -iwholename “*/wp-includes/version.php” -exec grep -H “\$wp_version =” {} \; |
finds all directories named CVS, and deletes them and their contents. | find . -type d -name CVS -exec rm -r {} \; |
Find all files/directories under current directory and run <script> for each of them | find -exec <script> {}\; |
Create directorie(s) 'some/path' as required in the current directory | mkdir -p ./some/path |
Request DNS record for domain 'dragon-architect.com' with tracing and additional section, and extract third block of text, separated between two new lines. | dig +trace +additional dragon-architect.com | awk 'NR==3' RS="\n\n" |
Mount partition with label "WHITE" on "/mnt/WHITE" with read and write permission and have it accessible by user and group "test" | mount -L WHITE /mnt/WHITE -o rw,uid=test,gid=test |
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