nl_command
stringlengths 14
387
| bash_code
stringlengths 0
532
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|---|---|
Exit the shell immediately if an error is encountered, treat references to unset variables as errors, disable overwriting existing files, and use the first non-zero exit code of a set of piped commands as the exit code of the full set of commands | set -o errexit -o nounset -o noclobber -o pipefail |
set alias "current" for command 'cd $' | alias current='cd $' |
Print a sorted list of the extensions of the regular files from the current directory tree matching pattern '*.???' | find . -type f -name "*.???" | awk -F. '{print $NF}' | sort -u |
Find all files/directories that are owned by user 'wnj' and are newer than 'ttt' by modification time in the entire filesystem | find / -newer ttt -user wnj -print |
Find all files/directories under current directory and sort them | find | sort |
Prints file descriptor of executed built-in 'true'. | echo <(true) |
Search directory trees /tmp and /var/tmp for "testfile.txt" | find /tmp /var/tmp -iname "testfile.txt" |
List files in directory "one" that exist in directory "two" | sort <(ls one) <(ls two) | uniq -d |
Remove all files and directories called "test" from the current directory tree | find . -name test -delete |
find all the files ending with jpg in current folder and display their count ( case insensitive ) | find ./ -type f -regex ".*\.[Jj][Pp][gG]$" | wc -l |
Print the last space separated word from "Your string here" | echo "Your string here"| tr ' ' '\n' | tail -n1 |
Extract tar.gz archive and go into the directory that would normally be created by extracting it. | tar xvf "$myarchive" && cd "${myarchive%.tar.gz}" |
Print a welcome message with the current user's user name | echo -ne "Welcome `whoami`!\n" |
Finds strings like "texthere" recursively in all files of a current folder regarding all symlinks. | grep -R "texthere" * |
find all files in home folder which have been modified after a timestamp | find ~ -newer /tmp/timestamp |
find all the files in the current folder which have been modified in the last one minute | find . -type f -mmin 0 |
find all the files in the current directory and sub-directories, that were edited within the last 1 hour and execute the list command with long listing format | find -mmin -60 -exec ls -l {} \; |
Search the current directory tree for files and directories whose names do not end in ".exe" and ".dll" | find . -not -name "*.exe" -not -name "*.dll" |
For each line of the sorted output of both file1 and file2, print lines whose first field of file2 does not appear as first field of file1. | join -v1 < < |
Change the owner to "hduser" and group to "hadoop" of "{directory path}" | sudo chown hduser:hadoop {directory path} |
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 files that are writable by both the “other” and the group under the plsql directory | find plsql -type f -perm -ug=rw -exec ls -l {} \; 2>/dev/null |
Calculate the md5sum of the executable file of command "gcc" | md5sum $(which gcc) |
Finds PIDs of all running processes, gets executable binary of each process, and prints containing folder of each binary. | ps -A -o pid | xargs -I pid readlink "/proc/pid/exe" | xargs -I file dirname "file" |
find the oldest normal file in the current directory | find -type f -printf '%T+ %p\n' | sort | head -n 1 |
Print linux group names on multiple lines instead of single line output | groups | tr \ \\n |
Print the time to ping "8.8.8.8" followed by a time stamp if the ping is greater than 58 | ping 8.8.8.8 | awk '{split;if print a[2], strftime}' |
Display a long list of all the files/directories named ".todo" under $STORAGEFOLDER directory tree | find $STORAGEFOLDER -name .todo -exec ls -l {} \; |
find all the files in the current folder which do not have the execute permission | find . -type d ! -perm -111 |
create directory dirname with permissions 777 | mkdir -m 777 dirname |
find files having the extension "bam" in current directory | find . -name "*.bam" |
Find the file in the current directory tree with inode number $inum and delete it | find . -inum $inum -exec rm {} \; |
Display differences between /destination/dir/1 and /destination/dir/2 excluding XML files. | diff /destination/dir/1 /destination/dir/2 -r -x *.xml |
Calculate the md5sum of the executable file of command "gcc" | md5sum $ |
Find all executable upvoter-* files/symlinks under maximum 1 level down the {} directory | find {} -name 'upvoter-*' \( -type f -or -type l \) -maxdepth 1 -perm +111 |
Execute "myfile" on all .ogv files from the current directory tree | find ./ -name *.ogv -exec bash -c 'myfile {}' \; |
search for the directory "config" in the current folder and change directory to it | cd `find . -name "config"` |
Make directory "/etc/cron.15sec" | mkdir /etc/cron.15sec |
List detailed information about all Jar files in the current directory tree | find . -name "*.jar" -exec zipinfo {} \; |
Read a line from standard input into the first argument ("$1") using an interactive shell with prompt "> " | read -e -p '> ' $1 |
Find all regular *.css files | find . -type f -name "*.css" |
Find all files/directories under current directory tree with inode number 211028 and move them to 'newname.dir' | find . -inum 211028 -exec mv {} newname.dir \; |
find all the cpp files in the current folder and move them to another folder | find . -type f -iname '*.cpp' -exec mv {} ./test/ \; |
Display the number of sub-directories for all directories under current directory tree, sort them according to the decreasing order of the number and show only the first 10 of them | find . -type d -ls | awk '{print $4 - 2, $NF}' | sort -rn | head |
Replace the occurrences of "HOGE" with "MOGA" once per each line of the .yaml files from the current directory tree | find . -type f -name "*.yaml" -print0 | xargs -0 sed -i -e "s/HOGE/MOGA/" |
Delete current cron job list, and use those in yourFile.text | crontab yourFile.text |
Find regular files readable by the world | find . -perm -g=r -type f -exec ls -l {} \; |
Recursively finds all '*.pdf' files in a current folder and removes them without prompting. | find . -name '*.pdf' -exec rm -f {} \; |
Find files/directories under current directory without descending into it | find -prune |
Find all directories under current directory and set read-write-execute permission for owner, read-execute permission for group and execute permission for other for those directories | find . -type d -exec chmod u=rwx,g=rx,o=x {} \; |
List .html files in the current directory tree that contain string "base\-maps" but do NOT contain string "base\-maps\-bot" | find . -name "*.html" -exec grep -lR 'base\-maps' {} \; | xargs grep -L 'base\-maps\-bot' |
find all the files in the current folder with the name "test-a" and move them to the folder test-10 | find ~ -type f -name test-a -exec mv {} test-10 \; |
Print the list of files and directories of the /etc directory | find /etc/. ! -name /etc/. |
Print the /proc directory tree, ignoring the PID-process things | find /proc -type d | egrep -v '/proc/[0-9]*' | less |
Find files/directories with exactly read,write and execute permission for all under /path | find /path -perm 777 |
Find a single file called FindCommandExamples.txt under current directory and remove it | find . -type f -name "FindCommandExamples.txt" -exec rm -f {} \; |
get the root user access | sudo su |
Find the passwd file under root and one level down. | find -maxdepth 2 -name passwd |
find all directories with the name test in a directory | find /home/john -type d -name test -print |
Find recursively the latest modified .zip file in the current directory | find . -name "*zip" -type f | xargs ls -ltr | tail -1 |
find all the files in the current folder which have execute permission to all the users | find . -perm /u=x,g=x,o=x |
Find all files with name "file.ext" under the current working directory tree and print each full path directory name | find `pwd` -name file.ext |xargs -l1 dirname |
Remove all directories called "test" from the current directory tree | find . -name test -type d -print0|xargs -0 rm -r -- |
find all text files in user/directory/ which have been modified today and display the last line of these files | find /user/directory/ -name "*txt" -mtime 0 -type f -printf '%p: ' -exec tail -1 {} \; |
search for al cpp files in current folder and replace all expect the parent directory name of these files and display it them sorted order | find . -name '*.cpp' | sed -e 's/\/[^/]*$//' | sort | uniq |
find all the files that have been modified exactly 24 hours ago | find . -type f -mtime 1 |
display all the files in the folder "$ORIG_DIR" | find "$ORIG_DIR" |
Search the current directory recursively for regular files that have been changed less than 3 days ago and print 5 of them. | find . -type f -ctime -3 | tail -n 5 |
Use "$BYTES" amount of RAM with no output | yes | tr \\n x | head -c $BYTES | grep n |
Set variable PacketLoss to first digit of percentage of packet loss occurring when pinging host specified by TestIP | PacketLoss=$ |
display all the text files in the current folder and do not search in the bin directory | find . -name bin -prune -o -name "*.txt" -print |
View the bash manpage, starting with the view positioned at the first occurrence of the expression "BASH_SOURCE". | man bash | less -p BASH_SOURCE |
Print A record for domain 'domain.' from 'ns2.newnameserver' nameserver | dig @ns2.newnameserver domain. a |
Print a colon-separated list of all directories from the $root directory tree | find $root -type d | tr '\n' ':' |
Modify and rewrite 'file' replacing the first instance of "foo" on each line with "bar" | sed -i 's/foo/bar/' file |
delete all the normal/regular files in the current folder | find . -type f -print -delete |
Copy all files under director 'foo' whose name doesn't contain 'Music' to directory 'bar'. | find foo -type f ! -name '*Music*' -exec cp {} bar \; |
Finds if environment variable like 'DUALCASE' exists in environment. | env | grep DUALCASE |
Change ownership of "/data/db" to the current user | sudo chown `whoami` /data/db |
Change the owner of all ".txt" files in directory tree "/mydir" to "root" | find /mydir -type f -name "*.txt" -execdir chown root {} ';' |
Print out all files with their paths that have identical content and the same filename in different cases | find * -type f | xargs md5sum | sort | uniq -Dw32 | awk -F'[ /]' '{ print $NF }' | sort -f | uniq -Di |
Print the $N'th line from file by replacing commas (',') with newlines | head -$N file | tail -1 | tr ',' '\n' |
Print a top 20 histogram of characters used from standard input showing backslash escapes for non-displayables | od -cvAnone -w1 | sort -b | uniq -c | sort -rn | head -n 20 |
Remove Mac OS X Desktop Services Store files | find . -name ".DS_Store" -exec rm {} \; |
recursively change owner of the directory /usr/lib/node_modules/ to the current user | sudo chown -R $ /usr/lib/node_modules/ |
Remove all text files in the home directory with confirmation | find $HOME/. -name *.txt -ok rm {} \; |
Print the names of all hidden regular files from the current directory | find . -maxdepth 1 -type f -name '.*' -exec basename {} \; |
Find all files in and below the home directory that have been modified in the last 90 minutes | find ~ -mmin -90 |
Find all directories in entire file system which are larger than 50KB | find / -type d -size +50k |
Move all files from the current directory to "targetdirectory" | find . ! -name . -prune -exec sh -c 'mv "$@" targetdirectory/' sh {} + |
Show the number of regular files in the current directory tree | find . -type f | wc -l |
Print the absolute path of third-level files under the current directory tree and number the output | ls -d -1 $PWD/**/*/* | nl |
Find all Lemon*.mp3 files under current directory and run mplayer with these files | find . -name 'Lemon*.mp3' -print0 | xargs -0 -i mplayer '{}' |
Find all the files which are accessed in last 1 hour in entire file system | find / -amin -60 |
Print the current directory tree | tree |
create directories mnt and point | mkdir mnt point |
List each unique case insensitive character in "file" prefixed by number of occurrences and sorted from most frequent to least frequent | grep -o . filename | tr '[:upper:]' '[:lower:]' | sort | uniq -c | sort -nr |
Print and save the ping results of 25 requests to "google.com" in "/home/user/myLogFile.log" containing at most 100000 bytes | ping -c 25 google.com | tee > |
Print out ln commands for each file in /home/folder1/*.txt that can be run to create symlinks appending '_CUSTOM_TEXT.txt' in their names | find /home/folder1/*.txt -type f | awk -F '.txt' '{printf "ln -s %s %s_CUSTOM_TEXT.txt\n", $0, $1}' |
update the permissions of the directories in the folder folder_name to 775 | find folder_name -type d -exec chmod 775 ‘{}’ \; |
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