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extract "backup.tar.gz" with verbose output | tar -xzvf backup.tar.gz |
Convert all markdown files on the system to html | find / -name "*.md" -type f -exec sh -c 'markdown "${0}" > "${0%.md}.html"' {} \; |
Delete all empty directories in the "test" directory tree | find test -depth -type d -empty -delete |
Find all TXT files that belong to user root | find / -user root -iname "*.txt" |
Compresses all files listed in array $*, executing in background. | compress $* & |
Prints process tree with command line arguments and process id numbers. | pstree -apl |
Write "ee" to standard output of the current terminal and as input to command "foo" | t=$ echo ee | tee $t | foo |
find all .pm, .pl files in /users/tom and search for multiple pattern in same files and display the matched file names | find /users/tom -name '*.p[lm]' -exec grep -l -- '->get(' {} + | xargs grep -l '#hyphenate' |
Find all directories under /path/to/dir (no sub-directories) and archive them (with relative paths) into files with .tar.gz extension | find /path/to/dir -mindepth 1 -maxdepth 1 -type d -execdir sudo tar -zcpvf {}.tar.gz {} \; |
Calculate md5 sum of file ${my_iso_file} and save it to variable 'md5' | md5="$(md5sum "${my_iso_file}")" |
Removes resursively all files and folders named ".DS_Store". | find . -name ".DS_Store" -print0 | xargs -0 rm -rf |
Find all directories under ~/code without descending into hidden directories and print them appended with : | find ~/code -name '.*' -prune -o -type d -printf ':%p' |
Identify files that do not have a listing in the /etc/passwd or /etc/group file | find / -nouser -o -nogroup |
Search for "pattern" in "file" and separate each line with '" "' | cat file | grep pattern | paste -sd'~' | sed -e 's/~/" "/g' |
Search the current directory tree for regular files last changed more than 14 days ago | find -type f -ctime +14 |
Move "phantomjs-1.8.1-linux-x86_64.tar.bz2" to "/usr/local/share/" directory | sudo mv phantomjs-1.8.1-linux-x86_64.tar.bz2 /usr/local/share/. |
List the MD5 digest of all files under "teste1" and "teste2" sorted alphabetically | find teste1 teste2 -type f -exec md5 -r {} \; | sort |
display all the files in the current folder along with the modification time and display file names of the last 10 modified files | find . -type f -printf '%T@ %p\n' | sort -n | tail -10 | cut -f2- -d" " |
Get the PID of rsync for the user that owns the process matching the pattern expanded by CID$client_id | pstree $ -ap | sed -n 's/.*rsync,\.*/\1/p' |
Replace all matches with the regex expanded by $P_FROM with the text expanded by $P_TO in all regular files under current directory not going into subdirectories and modify the files in-place | find . -type f -maxdepth 1 -exec sed -i "s/$P_FROM/$P_TO/g" {} \; |
Delete all files under $INTRANETDESTINATION/weekly directory tree that were modified more than 32 days ago | find $INTRANETDESTINATION/weekly -mtime +32 -exec rm {} \; |
print lines from last match of ^Statistics until end of file | tac INPUTFILE | sed '/^Statistics |/q' | tac |
Answer "y" to any prompts in the interactive recursive removal of "dir1", "dir2", and "dir3" | yes y | rm -ir dir1 dir2 dir3 |
Display human-readable file type description of utf8.txt | file utf8.txt |
Find files named "ppp.conf" in the /etc directory tree | find /etc -name ppp.conf |
Find all *.rb (regular) files under current directory and print them on stdout putting the file name/path in-between two string literals 'Hello,' and '!' | find . -name "*.rb" -type f | xargs -I {} echo Hello, {} ! |
Finds users with X session in system and puts the result in USERS variable. | USERS=$(w | awk '/\/X/ {print $1}') |
display all the files in the home folder which are smaller than 500 bytes | find ~ -size -500b |
Show directory sizes in KB and sort to give the largest at the end | find . -type d -exec du -sk {} \; | sort -n -k 1 |
SSH into SERVER, execute "command," and start up a login shell when it completes | ssh -t SERVER 'command; bash -l' |
Send SIGTERM (signal 15) signal to all process whose username is "username" and whose command is "your_command". | ps -o uid,pid,cmd|awk '{if($1=="username" && $3=="your_command") print $2}'|xargs kill -15 |
Change directory to the download directory specified in the current user's user-dirs.dirs file | cd "$(grep DOWNLOAD $HOME/.config/user-dirs.dirs | cut -f 2 -d "=" | tr "\"" "\n" | tr -d "\n")" |
Prints list of all libraries linked with binaries in '/bin/' and '/usr/bin/', with number of linkages for each library. | ldd /bin/* /usr/bin/* | sed -e '/^[^\t]/ d; s/^\t\\?\ (.*/\2/g' | sort | uniq -c |
keep only read access to all the files in a directory. | find /path/to/dir ! -perm 0644 -exec chmod 0644 {} \; |
display all the files in current directory with each file name displayed twice in the same row | find . | sed 's/.*/& &/' |
Gets string with IP4 address of en0 network interface. | ifconfig en0 | grep inet | grep -v inet6 |
Find all files/directories under mnt/naspath without descending into .snapshot directory, calculate the total size and redirect the result to /tmp/size.log file | find /mnt/naspath -mtime 0 -name .snapshot -prune -o \ | du --files0-from=- -hc | tail -n1 >> /tmp/size.log |
Find all directories under current directory and change their permission to 755 | find . -type d -exec chmod 755 {} \; |
Remove all *.bak files under current directory | find . -type f -name \*.bak -print0 | xargs -0 rm -v |
Find all files whose names end with "~" in the /home/peter directory tree, following symlinks, and delete them | find -L /home/peter -name *~ -exec rm '{}' + |
Delete all .pyc files in the current directory tree | find . -name "*.pyc" | xargs -0 rm -rf |
Find all `doc.txt' files in the current directory tree printing "found" for each of them | find ./ -name doc.txt -printf "found\n" |
Prints process tree of the current command process. | pstree -p $$ |
Report total file systems disk usage in 1T blocks. | df --total -BT | tail -n 1 |
Find all files under current directory, calculate their md5sum and print the output to MD5SUMS | find . -type f -exec md5sum {} \; > MD5SUMS |
Find all files which belong to user lal and change their ownership to ravi | find / -user lal -exec chown ravi {} \; |
change the permission of all the normal/regular files from 777 to 755 in the folder "/home/user/demo" | find /home/user/demo -type f -perm 777 -print -exec chmod 755 {} \; |
Find all files/directories under /home/baumerf/public_html/ that were modified less than 60 minutes ago excluding *.log files/directories | find /home/baumerf/public_html/ -mmin -60 -not -name \*.log |
Find directories that are directly under /home/user/workspace directory (no-subdirectories) and were modified more than 30 days ago and print a message saying that the directory wasn't modified during last 30 days | find /home/user/workspace -mindepth 1 -maxdepth 1 -type d -mtime +30 -printf "\t- It seems that %p wasn't modified during last 30 day\n" |
Copy the current directory tree to '/path/to/destination/dir' preserving permissions, timestamp and ownership | find . | cpio -pdumv /path/to/destination/dir |
Find all files, folders, symlinks, etc in the current directory recursively | find . |
Find all files under /home/feeds/data without descending into *def/incoming* and *456/incoming* paths | find /home/feeds/data -type f -not -path "*def/incoming*" -not -path "*456/incoming*" |
Finds strings with 'TEXT' from *.log files and prints all but first field from any space-delimited string. | grep -e TEXT *.log | cut -d' ' --complement -s -f1 |
Print the date formatted with "%a %x %X" followed by the host name | echo `date +"%a %x %X"` `hostname` |
Removes all empty folders that ends with any-cased '*.bak' under '/Users/' path. | find /Users -type d -iname '*.bak' -print0 | xargs -0 rmdir |
Recursively change the group of all files in "/tmp/php_session" to "daemon" | chown -R :daemon /tmp/php_session |
Print the contents of all file* files under current directory | perl -ple '' `find . -name "file*"` |
Print history with the first field removed | history | awk '{sub($1, "", $0); sub(/^[ \t]+/, "", $0); print}' |
Copy "/Users/username/path/on/machine/" to "[email protected]:/home/username/path/on/server/" and convert encoding from UTF-8-MAC to UTF-8 | rsync --iconv=UTF-8-MAC,UTF-8 /Users/username/path/on/machine/ '[email protected]:/home/username/path/on/server/' |
Prints path to the folder that contains target of symbolic link ../../../../etc/passwd. | $(dirname $) |
Find all C source code files from the current directory tree that contain "keyword" in their pathnames, ignoring the case | find . -type f \( -iname “*.c” \) |grep -i “keyword” |
Update the history file in the current session | history -w |
Copy all files and directories under the current directory into "../new" preserving relative paths | find -print0 | sort -z | cpio -pdv0 ../new |
Print your/dir if it's an empty directory | find your/dir -prune -empty -type d |
Move "file1", "file2", "..." to "target" directory | mv -t target file1 file2 ... |
Create a local SSH tunnel from "localhost" port 16379 to "localhost" port 6379 using key "keyfile.rsa" and disables the interactive shell | ssh -i keyfile.rsa -T -N -L 16379:localhost:6379 someuser@somehost |
move all the html files from current folder to another folder and if a symbolic link is found copy the original referenced file and not the link | find . -follow -iname '*.htm' -print0 | xargs -i -0 mv '{}' ~/webhome |
Save full path of command "rm" to variable "RM" | RM=`which rm` |
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 |
Find all files in the current directory tree whose names are "file_name", except for those with pathnames matching pattern "./dirt to be Excluded/*" | find ./ -iname file_name ! -path "./dirt to be Excluded/*" |
Find and delete all files with a used disk size of 0 | rm `du * | awk '$1 == "0" {print $2}'` |
Read and execute file 'lib/B' that located in the same directory as the current script, will fail if currently running script is not in PATH. | source "$( dirname "$" )/lib/B" |
Copy the owner and group from "file.txt" to "$tempfile" | chown --reference=file.txt -- "$tempfile" |
Find all 400 permission files under /data directory | find /data -type f -perm 400 |
display all the text files in a folder | find $1 -type f -name '*'$n'.txt' |
Find files on the system whose names begin with either x or X | find / -name "[Xx]*" |
Search the current directory tree for files named "somename", case insensitive | find -iname 'somename' |
Find all .core files on the system starting from / and delete them | find / -name "*.core" -print -exec rm {} \; |
Print a sorted list of the extensions of the regular files from the current directory tree | find . -type f -name "*.*" | awk -F. '{print $NF}' | sort -u |
Send Output From Find The Find Command To A File | find / -name *.mp3 -fprint nameoffiletoprintto |
returns a list of files create time is 1 minute ago under the root directory. | find / -newerct '1 minute ago' -print |
Replace spaces with underscores in the names of all files and directories in the current directory tree | find . -depth -name '* *' | while IFS= read -r f ; do mv -i "$f" "$/$" ; done |
Print the current date followed by ": $line" | echo "$: " $line |
find all the files in the home folder that belong to a specific user | find /home -user <usernmae> -print |
display all the ".c" files in the current directory | find . -name \*.c -print |
Force create a symbolic link without dereferencing named "$SYMLINK_PATH" to "$lastModified" | ln -nsf $lastModified $SYMLINK_PATH |
find all file name in curent directory , -exec will file all file output awk used here for print only file name . | find . -type f -exec ls -lrt {} \; |awk -F' ' '{print $9}' |
Set the timestamp of B to the same one as A | touch -r A B |
search for text files in the directory "/home/user1" and copy them to the directory /home/backup | find /home/user1 -name '*.txt' | xargs cp -av --target-directory=/home/backup/ --parents |
Print full path of command "python2.7" | which python2.7 |
Execute 'python -m unittest discover 2>&1 | pyrg' every second and display with color support | watch -n 1 --color 'python -m unittest discover 2>&1 | pyrg' |
Check if current shell is running within a 'screen' process. | pstree --show-parents -p $$ | head -n 1 | sed 's/\(.*\)+.*/\1/' | wc -l |
Generate a random 32 ASCII character password from /dev/urandom and save it to variable 'pass' | pass=$ |
Removes 'subversion' packages from system. | yum remove subversion |
Sets shell options 'extglob' and 'nullglob'. | shopt -s nullglob extglob |
Find all files/directories in the paths expanded by the glob pattern '.*' | find .* |
Print pathnames of all files in the current directory and below skipping directories named SCCS and files in them | find . -name SCCS -prune -o -print |
Reverse the order of lines in "myfile.txt" using BSD "tail" command | tail -r myfile.txt |
search for al cpp files in current folder and display unique parent directory of these files in sorted order | find . -name "*.cpp" -exec dirname {} \; | sort -u |
search for the file foo.txt in the current folder and open it in vi editor | find -name foo.txt -execdir vim '{}' ';' |
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