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extract 'archive.tar.gz' to /destination | tar xzf archive.tar.gz -C /destination |
Find all files that have wrong permission | find / \( -perm -006 -o -perm -007 \) \( ! -type -l \) -ls |
Split "hugefile.txt" into files with 100000 lines each starting with "part." and using numeric suffixes | split -a4 -d -l100000 hugefile.txt part. |
display all the regular files in the current folder that are less than 10KB | find . -type f -size -10k |
display all the regular/normal files ending with ".mod" in a folder | find "$dir" -name "*.mod" -type f -print0 |
find files ending with .jpg | find . -name '*.jpg' -print ./bar/foo.jpg |
Strips two last sections from the path $pathname, and prints basename of the rest part. | echo $(basename $(dirname $)) |
Compress from standard input and print the byte count preceded with 'gzip.' | echo gzip. $ |
List all environment variables (name and value) whose name either equals PATH or starts with GOBIN | env | grep '^\(GOBIN\|PATH=\)' |
Run a "rm" process to recursively remove "cache", making it immune to all SIGHUP signals sent to it. | nohup rm -rf cache & |
find all js files which path does not contain ./node_modules/* nor './vendor/*" | find -name '*.js' -not -path './node_modules/*' -not -path './vendor/*' |
find a difference between website content of "http://tldp.org/LDP/abs/html/" and "http://www.redhat.com/mirrors/LDP/LDP/abs/html/" | diff < < |
delete all the "wmv" "wma" files in the currnet folder, | find . \ -exec rm {} \; |
Search the current directory tree for .log files containing the string "The SAS System", and save their names to sas_log_list.txt | find . -name "*.log" -exec grep -l "The SAS System" {} \; > sas_log_list.txt |
Recursively changes group ownership of everything in a '/home/user1/project/dev' folder to 'project_dev'. | chgrp -R project_dev /home/user1/project/dev |
change the owner and group of all the normal/regular files in the current folder and /home/admin/data/ to admin & admin | find . /home/admin/data/ -type f -exec chown admin.admin {} \; |
Finds only parts of echoed string that match with regex 'run-parts (-{1,2}\S+ )*\S+', and saves them in $match variable, each matched part on a separate line. | match=$(echo "${line}" | egrep -o 'run-parts (-{1,2}\S+ )*\S+') |
search for a word in all the shell scripts in the current folder and display the matched files. | find . -type f -name "*.sh" -exec grep -l landoflinux {} \; |
Split "data.tsv" into files of at most 5000000 lines each with prefix "_tmp" | split -l5000000 data.tsv '_tmp'; |
Generates a randomly sorted list of numbers from 1 to 10. | seq 1 10 | sort -R | tee /tmp/lst |cat <(cat /tmp/lst) <(echo '-------') \ <(tac) |
display all normal / regular files in current folder in reverse order | find . -type f | tac |
Prints elapsed time of command execution. | \time -f%e sleep 1 |
Remove with prompting all files starting in /mydir that have not been accessed in over 100 days | find /mydir -atime +100 -ok rm {} \; |
Displays information about all network interfaces in system, including inactive ones. | ifconfig -a |
For each line whose second field is the same in both files, output: first field of second file, second field of first file, and first field of second file. | join -j 2 -o 1.1 1.2 2.1 < < |
find the file with the name "file" in the entire file system | find / -name file |
Find *.java files in the current directory with GNU find and replace foo with bar in those files | find . -name "*.java" -exec sed -i s/foo/bar/g \; |
Print absolute path of "PATH" | readlink -f PATH |
Find all symbolic links starting from the current directory and list them | find . -type l -ls |
Execute the 'echo' command on each file from the current directory tree individually | find . -exec echo {} \; |
Print the base name via grep of the current working directory | pwd | grep -o '[^/]*$' |
Find regular files in the current directory tree that have the user executable bit set | find . -type f -perm -u=x |
ssh into localhost on port 4444 | ssh -p 4444 localhost |
Concatenate files containing `test' in their names | find . -name '*test*' -exec cat {} \; |
Write the output of "proc1" to standard output and to all commands from "proc2" to "procN" | proc1 | tee > ... > | procN |
Recursively findsfiles with text pattern in current folder, ingnoring case differences, prefixes each matched line with number in file and suppresses error messages about nonexistent or unreadable files. | grep -insr "pattern" * |
display all non empty directories in current folder | find . \! -empty -type d |
Find all files/directories that have read, write, execution permission for user and belong to the user 'my_user' under current directory tree | find . -user my_user -perm -u+rwx |
Attempt to connect as root via ssh to host whose IP address or hostname is specified by environment variable IPADDRESS - this will normally fail because ssh servers normally don't accept root logins. | scp -rp "DAILY_TEST_FOLDER" "root@${IPADDRESS}:/home/root/" |
List each unique character in "file" prefixed by number of occurrences and sorted from most frequent to least frequent | grep -o . filename | sort | uniq -c | sort -nr |
Delete all hard links to the physical file with inode number 2655341 | find /home -xdev -inum 2655341 | xargs rm |
This will remove all files modified longer than 14 days ago under /root/Maildir/ recursively from there and deeper (mindepth 1 | find /root/Maildir/ -mindepth 1 -type f -mtime +14 | xargs rm |
Search the .py files residing in the current directory tree for "something" and save the output to output.txt | find . -name '*.py' -exec grep 'something' {} \; > output.txt |
List existing screen sessions | screen -ls |
Print the sizes and file names of all files in the current directory tree that are between 700k and 1000k | find . \ -exec du -Hs {} \; 2>/dev/null |
split compressed content of the directory /home into pieces per 4000 mb named as "/media/DRIVENAME/BACKUPNAME.tgz.NNN" | tar --one-file-system -czv /home | split -b 4000m - /media/DRIVENAME/BACKUPNAME.tgz |
Sources script incl.sh in the folder where current script is located. | source $/incl.sh |
Archive all non-hidden files in the current directory and its sub-directories in the file arch.cpio | find ./* | cpio -o > arch.cpio |
Find all files under current directory matching the regex '.*\(\(error\|access\)\(_log\)?\|mod_jk\.log\)\.[0-9]+' in their paths | find -type f -regex '.*\(\(error\|access\)\(_log\)?\|mod_jk\.log\)\.[0-9]+' |
Search /tmp/ for files smaller than 100 bytes | find /tmp -size -100c |
display a long listing of all the normal/regular files in the current folder (print0 is used to handle files which have newlines in their names or files with the name only as spaces ) | find . -type f -print0 | xargs -0 ls -l |
Search the current directory tree for all files matching pattern "*.rb" | find . -name "*.rb" |
create directory /etc/cron.15sec | mkdir /etc/cron.15sec |
Recursively change the owner and group of "subdir3" to "user3" | chown user3:user3 -R subdir3 |
Print reverse lookup for adress 127.0.0.1 | dig -x 127.0.0.1 |
Print the current directory | find -prune |
Find all files under /home/username/public_html/sites/all/modules and set their permission to 640 | find /home/username/public_html/sites/all/modules -type f -exec chmod 640 {} + |
Print numbers 1 through 10 separated by ":" | yes | head -n10 | grep -n . | cut -d: -f1 | paste -sd: |
Find all *.jpg files under current directory | find . -iname '*.jpg' |
search for all the files in current folder which start with "file2015-0" and move them to frst 400 fiiles to another folder | find . -name "file2015-0*" | head -400 | xargs -I filename mv filename |
Print the MD5 message digest of "/path/to/destination/file" | md5sum /path/to/destination/file |
Find all .php files in all directory trees matching pattern `/srv/www/*/htdocs/system/application/' and search those files for string "debug (" | find /srv/www/*/htdocs/system/application/ -name "*.php" -print0 | xargs -0 grep -H "debug (" |
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 |
display all the files in the current folder which have are bigger than 1KB | find . -size +1024 -print |
Find all files/directories named 'photo.jpg' (case insensitive) under current directory tree | find . -iname "photo.jpg" |
Find all the Sticky Bit set files whose permission are 551 | find / -perm 1551 |
Find "*.dat" files recursively in the current directory, print the lines starting on line 5 to the console and save to "concat.txt" | find . -type f \ -exec tail -n+5 -q "$file" {} + |tee concat.txt |
Read a line from standard input with a timeout of 0.1 seconds and prompt "This will be sent to stderr" | read -t 0.1 -p "This will be sent to stderr" |
display all the files in the entire file system | find / -type f -exec echo {} \; |
Print the compressed size, uncompressed size, compression ratio, and uncompressed filename of "file.zip" | gunzip -l file.zip |
Find the largest files in a particular location | find /home/tecmint/Downloads/ -type f -exec du -Sh {} + | sort -rh | head -n 5 |
Recursively prints paths to all text file in folder . | grep -RIl "" . |
Check whether current terminal is opened in a screen session. | pstree --show-parents -p $$ | head -n 1 | sed 's/\+.*/\1/' | grep screen | wc -l |
List any line in "f1" or "f2" which does not appear in the other and delete all tab characters in the output | comm -3 < < | tr -d '\t' |
Find files with the extension .conf in the /etc directory | find /etc -name '*.conf' |
find all the directories starting with the name "someNamePrefix" which have not been modified in the last 10 days and force delete them | find /somePath -type d -name ‘someNamePrefix*’ -mtime +10 -print | xargs rm -rf ; |
Search for files/directories with the case insensitive pattern anaconda.* in /var/log | find /var/log/ -iname anaconda.* |
Print details for all files in the ./work directory tree with extension .sh that were modified less than 20 days ago | find ./work/ -type f -name "*.sh" -mtime -20 | xargs -r ls -l |
Find files with 002 permission under /tmp and print them with the string 'Found world write permissions:' printed as the first line of output or print 'No world writable found' if no such files were found | find /tmp -type f -perm -002 | awk -- '1{print "Found world write permissions:";print};END{if(NR==0)print "No world writable found."}' |
find files which full path name is /tmpfoo/bar under foo directory and print | find foo -path /tmp/foo/bar -print |
create directory certs | mkdir certs/ |
Find recursively all regular files in the current directory tree ending in .dll or .exe | find . -type f | grep -P "\.dll$|\.exe$" |
display all files in the directory "dir" which have been accessed in the last 60 minutes | find /dir -amin -60 |
Remove trailing white spaces from all files under current directory ignoring *.jpg, *.png and *.ttf files | find . -not \ --type f -print0 | xargs -0 sed -i '' -E "s/[[:blank:]]+$//" |
Find all text files in the home directory | find ~/ -name '*.txt' |
display all the files in the current folder excluding those that are present in the path "./etc" | find . ! -wholename "./etc*" |
search for all the text files and display the long listing of these files from that directory | find . -name "*.txt" -execdir ls -la {} ";" |
Find all files in current directory and search for 'searchName' in those files and show errors for files that are not directly on the current directory | find ./ -name "*" -printf "%f\n" | xargs grep "searchName" |
create an archive using pbzip2 as a compress program | tar -I pbzip2 -cf OUTPUT_FILE.tar.bz2 /DIR_TO_ZIP/ |
Go to directory /some/where/long | cd /some/where/long |
Pass a wildcard to scp by escaping it: copy all files with names starting with "files" in directory "/location" on host "server" to current directory on local machine, displaying debug info and preserving timestamps and permissions on copied files. | scp -vp me@server:/location/files\* |
Saves printed calendar for $month, $year in positional variables. | set `cal $month $year` |
Find '*prefs copy' files under /mnt/zip and delete them with confirmation prompt | find /mnt/zip -name "*prefs copy" -print0 | xargs> -p rm |
Find all files in current directory excluding hidden files, archive them and put the output into variable full_backup_dir | full_backup_dir="$(find . -depth \( -wholename \./\.\* \) -prune -o -print | cpio -oav)" |
Move all directories in the current directory tree that have been modified in the last day to "/path/to/target-dir" | find . -depth -type d -mtime 0 -exec mv -t /path/to/target-dir {} + |
create a tar of all png & jpg images in the current folder | find . \ -print -exec tar -rf images.tar {} \; |
run "your_command", letting the user page through the output and move around with the arrow keys - the Q key terminates and returns to the shell prompt. | "your_command" | less |
Find an inode and remove | find . -inum 968746 -exec rm -i {} \; |
Find all files/directories named file1 under current directory | find -name file1 |
find regular/normal files in the current folder | find -type f |
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