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Take first text field from file 'file.txt' as a domain name and get short A record for this one. | cut -d' ' -f1 file.txt | xargs dig +short |
kill all active jobs | jobs -p | xargs kill -9 |
Change the ownership of all aluno1's files in the current directory and below to aluno2 | find . -user aluno1 -exec chown aluno2 {} |
Find the process id of mysql | ps -A|grep mysql |
Find regular files under '/somefolder' directory tree satisfying the options/conditions/operations provided in ${ARGS[@]} array with find command | find /somefolder -type f '' |
Write out the entire directory hierarchy from the current directory | find . |
Find and remove all .mp3 regular files under the current directory and below | find . -type f -name "*.mp3" -exec rm -f {} \; |
find all the normal/regular files in current folder and search for a pattern | find . -type f -print0 | xargs -0 grep pattern |
Copy all files matching "file_name.extension" to "/path/to/receiving/folder" preserving directory hierarchy | find . -name 'file_name.extension' -print | cpio -pavd /path/to/receiving/folder |
Gets IP address of 'en0' network interface. | ifconfig en0 | awk '/inet addr/{print substr}' |
find a 'fool.scala' named regular file under /opt /usr /var those directories. | find /opt /usr /var -name foo.scala -type f |
Find all files/directories that are owned by user 'eric' under current directory tree | find -user eric -print |
split file /usr/bin/firefox into pieces per 1000 lines | split -n 1000 /usr/bin/firefox |
Change all files with no user under "/var/www" to have owner "root" and group "apache" | sudo find /var/www -nouser -exec chown root:apache {} \; |
find files which modification time is 7 days ago | find . -mtime -7 |
Find all files that belong to group developer | find /home -group developer |
dispaly all the empty regular/normal files in the current folder | find . -type f -empty |
Find the directory with least modification time under current directory | find -type d -printf '%T+ %p\n' | sort | head -1 |
Find files in the current directory excluding CVS, SVN, GIT repository files and all binary files. | find . -not \ -type f -print0 | xargs -0 file -n | grep -v binary | cut -d ":" -f1 |
Change the ownership of "/etc/udev/rules.d/51-android.rules" to "root" | sudo chown root. /etc/udev/rules.d/51-android.rules |
For each item in array "alpha", display the basename, that is the part following the last slash, or the whole item if no slash is present. | basename -a "${alpha[@]}" |
Delete the files under the current working directory with inode numbers specified on standard input | xargs -n 1 -I '{}' find "$(pwd)" -type f -inum '{}' -delete |
Creates temporary folder in TMPDIR (if defined) or in '/tmp/', and stores path to created folder in 'dir' variable. | dir=$(mktemp -d) |
Find all files in current directory that were modified less than 1 day ago, and create cpio archive in $backup_dir | find . -mtime -1 | cpio -oa 2>/dev/null | |
Find files matching pattern $2 in the $1 directory recursively and search them for text $3, where $1, $2, $3 are the command line arguments to the Bash script | find $1 -name "$2" | grep -v '/proc' | xargs grep -Hn "$3" {} \; |
Unzip and untar "myarchive.tar.gz" and check for corruption | gunzip -c myarchive.tar.gz | tar -tvf - |
Remove group write permission on all files output by "compaudit" | compaudit | xargs chmod g-w |
Locate files with user permissions rwx owned by my_user | find . -user my_user -perm -u+rwx |
Display the current directory tree except files or directories starting with "3rd" | tree -I '3rd*' |
search for a regular/normal file "myfile" in the entire file system excluding the folder in excluded_path | find / -path excluded_path -prune -o -type f -name myfile -print |
Change all occurrences of "foo" to "bar" in the file "file.txt" | echo ',s/foo/bar/g; w' | tr \; '\012' | ed -s file.txt |
Save number of strings with $expression pattern in 'foo.txt' to 'big_lines' variable. | big_lines=`cat foo.txt | grep -c "$expression"` |
list all zero-length files under the current directory | find . -empty -exec ls {} \; |
search for the file "filename" in the entire file system | find / -name filename |
list all the ".ksh" files in the current directory | find . -ls -name "*.ksh" |
Search the /myfiles directory tree for files that are 5 512 byte blocks in size | find /myfiles -size 5 |
find all the files in the folder "myfiles" which have not been accessed in the last 30 days | find /myfiles -atime +30 |
Search the current directory recursively for regular files last accessed less than 2 days ago | find . type -f -atime -2 |
Creates temporary folder and saves path to it in a 'tempd' variable. | tempd=`mktemp -d` |
Send TERM signal to process with id listed in '/var/run/DataBaseSynchronizerClient.pid' file | kill `cat /var/run/DataBaseSynchronizerClient.pid` |
Search the system for a file by its content limiting the search to regular files smaller than 10KB | find / -type f -size -10k 2>/dev/null -print0 | xargs -0 egrep '\bsomeknowncontent\b' |
change the permissions of all the directories in the current folder | find . -type d | xargs chmod 2775 |
Print a single line of numbers from "001" to "010" | yes | head -n 10 | awk '{printf( "%03d ", NR )}' ##for 01..10 |
Search the system for directories named "needle" suppressing error messages | find / -type d -name "needle" 2>/dev/null |
search for text files in the current folder which do not have write access to others | find . -type f \ |
Find all files which are accessed after modifying /etc/passwd files. | find -newer /etc/passwd |
Interpret all lines containing an equal sign in myfile (usually, grab all variables from myfile into current shell) | grep "=" myfile | source /dev/stdin |
Delete all files named 'sample' (case insensitive) under '/home/user/Series' directory tree with superuser privilege | sudo find /home/user/Series/ -iname sample -exec rm {} \; |
Find files in the current directory tree whose status was changed within the last 60 minutes | find . -cmin -60 |
Search for 'js' in all files under current directory that match 'some string' in their names | find . | grep 'some string' | grep js |
Overwrites file $FILE with random content, then truncates and deletes it. | shred -u $FILE |
Find all foo.mp4 files in the current directory tree and print the pathnames of their parent directories | find ./ -name "foo.mp4" -printf "%h\n" |
find all files in the file system with the permissions 777 and having the word "filename" in their name. | find / -perm 777 -iname "filename" |
Recursively prints all files in a current folders, and searches "stringYouWannaFind" in file content ignoring case differences, and preceding found string with its number in file. | find ./ -type f -print -exec grep -n -i "stringYouWannaFind" {} \; |
Print the current working directory and the base name of "$1" | echo "$/$" |
SSH into host "server" as user "user" | ssh user@server |
Recursively removes all files like '*.xyz' in a current folder. | find . -name \*.xyz -exec rm {} \; |
find all the directories in the current folder and create the same directory structure in a remote machine using ssh | find -type d | ssh server-B 'xargs -I% mkdir -p "/path/to/dir/%"' |
find all files under "/usr" | find /usr -print |
Write the output of "someCommand" to standard output and "someFile" | someCommand | tee someFile |
Find all directories named essbase under /fss/fin | find /fss/fin -type d -name "essbase" -print |
Print lines of 'file' reverted order, and reverted characterwise | tac file | rev |
Print the list of all files in the current directory except for SVN, CVS, GIT, and binary files | find . -not \ -type f -print0 | xargs -0 file -n | grep -v binary | cut -d ":" -f1 |
Merge already sorted files "file*.txt" and split the result into files of at most 100000 lines each with a prefix "sorted_file" | sort --merge file*.txt | split -l 100000 - sorted_file |
Find files matching an exact set of permissions | find / -perm 644 |
Find all directories under ~/code and replace all newlines with : in the output then remove the last : | find ~/code -type d | tr '\n' ':' | sed 's/:$//' |
Search the *.cc files in the current directory tree for string "xxx" | find . -name "*.cc" -print -exec grep "xxx" {} \; |
display all the configuration files in the etc folder | find /etc -name '*.conf' |
Split "$ORIGINAL_FILE" into files of at most "$MAX_LINES_PER_CHUNK" lines each with a prefix "$CHUNK_FILE_PREFIX" | split -l $MAX_LINES_PER_CHUNK $ORIGINAL_FILE $CHUNK_FILE_PREFIX |
Print the last command in history | history | tail -1 | awk '{print $1}' |
Finds name of a current month and saves it in a 'month' variable. | month=$ |
Delete and count files in $DIR_TO_CLEAN that are older than $DAYS_TO_SAVE days | find "$DIR_TO_CLEAN" -type -f -mtime "+$DAYS_TO_SAVE" -exec rm {} \; -printf '.' | wc -c |
display all normal/regular files in current folder | find . -type f |
Find files recursively with extension "ext" | find . -name "*.ext" |
Terminates shell before 'echo foo' if 'set -e' was applied and shell behavior matches the POSIX standart. | echo $ |
Find all files that were last modified less than7 days ago under /home | find /home -mtime -7 |
Print the largest 20 files under current directory | find . -type f -printf '%k %p\n' |sort -n |tail -n 20 |
Find the number of regular files under and below directory /path/to/dir | find /path/to/dir -type f -exec printf %.sX {} + | wc -c |
Delete all files/directories with inode number 117672808 under current directory tree | find -inum 117672808 -exec rm {} \; |
Print "hello" followed by the current user name | echo hello `whoami` |
Make 3 directories named "~/Labs/lab4a/folder" followed by a 3 width zero padded number from 0 to 3 | mkdir $ |
Find all CDC* files under current directory that were accessed less than 1 day ago and delete the first and last lines from those files and count the number of lines in the output | find . -type f -name "CDC*" -ctime -1 -exec sed -i'' -e '1d' -e '$d' '{}' \ | wc -l |
display all the regular/normal files in current folder | find . -type f -print0 |
display all the files in the folder "/dev" which belong to the user "peter" | find /dev -user "peter" |more |
this find command Substitute space with underscore in the file name replaces space in all the *.mp3 files with _ | find . -type f -iname '*.mp3' -exec rename '/ /_/' {} \; |
Search for "1234567890" in every gzip file modified between 8:00 and 9:00 on 2014-04-30 | find . -newermt '2014-04-30 08:00:00' -not -newermt '2014-04-30 09:00:00' |xargs gunzip -c | grep 1234567890 |
Find "file.xml" under the current directory and change directory to its parent | cd `find . -name file.xml -printf %h` |
find all the regular/normal files in all the directories in the /some/dir and delete them | find /some/dir -type d -exec find {} -type f -delete \; |
find all the files in the file system which have sticky bit enabled to the user | find / -perm -u+s |
View manual page of the find command | man find |
Print a sorted list of the extensions of the regular files from the current directory tree | find . -type f | grep -o -E '\.[^\.]+$' | sort -u |
Move all the .c files from the current directory tree to temp/ | find . -name "*.c" -print0 | xargs -0 -n1 -I '{}' mv '{}' temp |
search for all the directories in a folder and limit the search to current folder and give them as input to the python script | find /stuff -type d -printf '%P\0' | xargs -0 script.py |
Print all '-' separated digits in file 'infile' as dot separated digits | grep -Eo '{3}[0-9]+' infile | tr - . |
run command "set -a; . /path/to/nullmailer-vars; set +a; /usr/sbin/logcheck" with a bash as user root | su -s /bin/bash -c "set -a; \ . /path/to/nullmailer-vars; \ set +a; \ /usr/sbin/logcheck" logcheck |
display all the files in the current folder expect perl shell and python fiels | find . -not -name "*.pl" -not -name "*.sh" -not -name "*.py" |
View the man page of find | man find |
Run an awk program on every TXT file found in the current directory tree | find . -name "*.txt" -print -exec awk '{if{print;n++}}' {} \; |
Compare *.csv files in the current directory tree with their analogs stored in /some/other/path/ | find . -name "*.csv" -exec diff {} /some/other/path/{} ";" -print |
Create an archive named newArch from the contents of ./test directory | find ./test -printf "././%f\n"| cpio -o -F newArch |
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