nl
stringlengths 13
387
| bash
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532
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Set permissions to 400 for regular files under the current directory
|
find . -type f -exec chmod 400 {} \;
|
Set permissions to 600 for regular files under var/
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find var/ -type f -exec chmod 600 {} \;
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Set permissions to 644 for all regular files under the current directory tree that have permissions 755
|
find . -type f -perm 755 -exec chmod 644 {} \;
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Set permissions to 660 for all regular files in the current directory tree
|
find . -type f -exec chmod 0660 {} +
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Set permissions to 700 for directories under media/
|
find media/ -type d -exec chmod 700 {} \;
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Set permissions to 700 for directories under var/
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find var/ -type d -exec chmod 700 {} \;
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Set permissions to 700 for every subdirectory of the current directory
|
find . -mindepth 1 -type d -print0 | xargs -0 chmod -R 700
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Set permissions to 755 for every subdirectory of the current directory
|
find . -type d -mindepth 1 -print -exec chmod 755 {}/* \;
|
Set permissions to ug=rw,o= for files under the $d directory tree
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find $d -type f -exec chmod ug=rw,o= '{}' \;
|
Set permissions to ug=rwx,o= for directories inside the ./default/files tree
|
find ./default/files -type d -exec chmod ug=rwx,o= '{}' \;
|
Set permissions to ug=rwx,o= for directories under the $d directory tree
|
find $d -type d -exec chmod ug=rwx,o= '{}' \;
|
Set prompt to the system host name and history number
|
PS1="`hostname`:\!>"
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Set the read bit for "other" on all *rc.conf files in the current directory tree
|
find . -name "*rc.conf" -exec chmod o+r '{}' \;
|
Set read, write and execute permission for all (owner, group, other) for the files/directories in foldername directory tree
|
sudo find foldername -exec chmod a+rwx {} ";"
|
Set the setgid bit on all directories in the repository "/git/our_repos"
|
find /git/our_repos -type d -exec chmod g+s {} +
|
Set shell option 'checkwinsize'.
|
shopt -s checkwinsize
|
Set shell option 'dotglob'.
|
shopt -s dotglob
|
Sets shell option 'dotglob'.
|
shopt -s dotglob
|
Sets shell option 'extglob'.
|
shopt -s extglob
|
Sets shell options 'extglob' and 'nullglob'.
|
shopt -s nullglob extglob
|
Sets shell option 'globstar'.
|
shopt -s globstar
|
Sets shell options 'globstar', 'dotglob' and 'nullglob'.
|
shopt -s globstar nullglob dotglob
|
Sets shell options 'globstar' and 'nullglob'.
|
shopt -s globstar nullglob
|
Set shell option 'histverify'.
|
shopt -s histverify
|
Sets shell option 'nounset'.
|
shopt -s -o nounset
|
Sets shell option 'nullglob'.
|
shopt -s nullglob
|
Set the system date to Sat May 11 06:00:00 IDT 2013
|
sudo date --set="Sat May 11 06:00:00 IDT 2013"
|
Set timestamp of all PHP files in current directory to date specified.
|
touch -d '30 August 2013' *.php
|
Set the timestamp of B to the same one as A
|
touch -r A B
|
Set timestamp of B to the timestamp in stat format specified by variable "old_time"
|
touch -d"$(date --date="@$old_time")" B
|
Set trace prompt to print seconds.nanoseconds
|
PS4='+ $(date "+%s.%N")\011 '
|
Set up a local SSH tunnel from port 80 to port 3000
|
ssh $USERNAME@localhost -L 80:localhost:3000 -N
|
Set up a local SSH tunnel from port 80 to port 3000
|
sudo ssh $USERNAME@localhost -L 80:localhost:3000 -N
|
Set up a remote port forward from port 10022 on host "server" to port 22 on localhost
|
ssh -R 10022:localhost:22 device@server
|
Set up local port forwards in the background with no terminal or command execution from port 4431 to host "www1" port 443 and port 4432 to host "www2" port 443 via the host "colocatedserver"
|
ssh -fNT -L4431:www1:443 -L4432:www2:443 colocatedserver
|
Set up SSH connection forwarding in the background with no terminal or command execution from localhost port 8888 to "proxyhost" port 8888 and a reverse connection from "officefirewall" port 22222 to "localhost" port 22
|
ssh -fNT -L8888:proxyhost:8888 -R22222:localhost:22 officefirewall
|
Set the value of "to_sort" to "$1" in a subshell which no longer exists after the pipeline completes
|
echo "$1"| read -a to_sort
|
Set variable "architecture" to machine architecture, ie. x86_64
|
architecture="$(uname -m)"
|
Set variable "extract_dir" to list of top-level directories and files contained in tar archive specified by variable FILE.
|
extract_dir=$(tar -tf $FILE | cut -d/ -f1 | uniq)
|
Set variable "filename" to only the name of document specified by URL, in this case "pic.jpg"
|
filename="`basename "http://pics.sitename.com/images/191211/pic.jpg"`"
|
Set variable "finalName" to the second-to-last slash-separated path component of variable "path"
|
finalName=$(basename -- "$(dirname -- "$path")")
|
Set variable "fname" to the basename of path specified in variable "f", that is remove everything up to the last slash if present.
|
fname=`basename $f`
|
Set the variable "me" to the name of the running script.
|
me=`basename "$0"`
|
Set the variable "me" to the name of the running script, or shell, login shells have a hyphen appended to the beginning of the name, such as "-bash".
|
me=`basename -- "$0"`
|
set variable "uname_m" to machine architecture, ie. x86_64
|
uname_m=`uname -m`
|
Set variable 'file' to the base name of first argument to script or function, that is the part following the last slash.
|
file=$( basename "$1" )
|
Set variable 'file' to the base name of first argument to script or function, that is the part following the last slash.
|
file=`basename "$1"`
|
Set variable 'path' to name of current directory (without the containing directories).
|
path=$(basename $(pwd))
|
Set variable 'path' to name of current directory (without the containing directories) converted to lowercase.
|
path=$(basename $(pwd) | tr 'A-Z' 'a-z' )
|
Set variable 'rav' to the contents of 'var' spelled backwards.
|
rav=$(echo $var | rev)
|
Set variable BZIP2_CMD to the full path of command "bzip2"
|
BZIP2_CMD=`which bzip2`
|
Set variable GZIP to the full path of command "gzip"
|
GZIP="$(which gzip)"
|
Set variable OS to the name of the operating system, ie. "Linux"
|
OS=$(uname -s)
|
Set variable OS to the name of the operating system, ie. "Linux"
|
OS=`uname -s`
|
(GNU specific) Set variable OUTPUT to full process info of process currently taking the most CPU time.
|
OUTPUT=`top -b -n 1 | tail -n +8 | head -n 1`
|
Set variable PacketLoss to first digit of percentage of packet loss occurring when pinging host specified by TestIP
|
PacketLoss=$(ping "$TestIP" -c 2 | grep -Eo "[0-9]+% packet loss" | grep -Eo "^[0-9]")
|
Set variable PING to 1 if it's possible to ping host ADDRESS, to 0 otherwise.
|
PING=$(ping ADDRESS -c 1 | grep -E -o '[0-9]+ received' | cut -f1 -d' ')
|
set variable r to currently running kernel release, ie. 4.4.0-81-generic
|
r="$(uname -r)"
|
Set variable value to current kernel release name.
|
value=$(uname -r)
|
show a count of the number of filenames ending in .txt in the current directory, without descending into sub-directories
|
find . -maxdepth 1 -name \*.txt -print0 | grep -cz .
|
Show a long listing of files not modified in over 20 days or not accessed in over 40 days
|
find /mydir \(-mtime +20 -o -atime +40\) -exec ls -l {} \;
|
Show a long listing of the latest file or directory under current directory
|
ls -lrt | tail -n1
|
show all the ".acc" files in the folder /home
|
find /home -type f -name '*.aac'
|
show all the ".flac" files in the current folder and do not search in the sub directories
|
find . -maxdepth 1 -type f -name '*.flac'
|
show all .cpp, .c, .h, .hpp files in the folder ~/src
|
find ~/src -type f \( -iname '*.cpp' -or -iname '*.h' -or -iname '*.c' -or -iname '*.hpp' \) -exec echo {} \;
|
show all the directories in the current folder
|
find . -type d
|
show all directories in the current folder excluding those that are present in the sub directories of media, images and backups
|
find . -type d \( -name media -o -name images -o -name backups \) -prune -o -print
|
show all directories in the current folder excluding those that are present only in the paths ./media, ./images and ./backups
|
find . -path './media' -prune -o -path './images' -prune -o -path './backups' -prune -o -print
|
Show all files in /etc that are owned by root have been modified within the last minute
|
find /etc/ -user root -mtime 1
|
show all files in /usr/tom and display only files ending with ".pl" or ".pm"
|
find /usr/tom | egrep '*.pl| *.pm'
|
show all files in the current directory and all subdirectories
|
find .
|
show all files in the current directory and all subdirectories
|
find . -print
|
show all the files in the current folder excluding those from the directories whose name starts with "git"
|
find . -type d -name '.git*' -prune -o -type f -print
|
show all the files in the entire file system which are bigger than 1.1GB
|
find / -size +1.1G
|
show all the files in the entire file system which are bigger than 100MB
|
find / -size +100M
|
show all the files in the folder /etc which have been modified in the last 24 hours
|
find /etc -mtime -1
|
Show all files in user's home directory that have read, write and execute permissions set for user, group and others.
|
find ~ -perm 777
|
Show all files that have not been accessed in the $HOME directory for 30 days or more
|
find $HOME -atime +30
|
show all the regular files in current folder
|
find . -type f -print0
|
show all regular/normal the files in the current folder whose size is bigger than 0 bytes excluding everything
|
find * -prune -type f -size +0c -print
|
show all the regular/normal files in the folder /home/user/demo
|
find /home/user/demo -type f -print
|
Show all running processes with a name matching "postgres"
|
ps -ef | grep postgres
|
Show all values (without the names) of variables whose name or value contains "VARIABLE_NAME"
|
myVariable=$(env | grep VARIABLE_NAME | grep -oe '[^=]*$');
|
Show all variables whose name or value contains "PATH", sorted in reverse alphabetical order.
|
env | uniq | sort -r | grep PATH
|
Show the current UTC date in '%Y-%m-%dT%k:%M:%S%z' format
|
date -u '+%Y-%m-%dT%k:%M:%S%z'
|
Show the date in default format for tomorrow + 2 days + 10 minutes
|
date -d tomorrow+2days-10minutes
|
Show directory sizes in KB and sort to give the largest at the end
|
du -sk $(find . -type d) | sort -n -k 1
|
Show directory sizes in KB and sort to give the largest at the end
|
find . -type d -exec du -sk {} \; | sort -n -k 1
|
show the disk use of all the regular/normal files in the current folder which are bigger than 50MB
|
find . -type f -size +50000k | xargs du -sh
|
show the disk use of all the regular/normal files in the file system which are bigger than 100MB
|
find / -type f -size +100M | xargs du -sh
|
Show the epoch in default date/time format
|
date -ud@0
|
Show the explanation of find's debugging options
|
find -D help
|
Show files in /home owned by group `test'
|
find /home -group test
|
Show the files or directories in the current directory whose names are not "MyCProgram.c"
|
find -maxdepth 1 -not -iname "MyCProgram.c"
|
Show file type information for all regular files under '/home' directory tree
|
find /home -type f -exec file {} \;
|
Show file type information for files in /usr/bin
|
find /usr/bin | xargs file
|
Show filename and filetype description of all PHP files in all directories contained in current directory whose name or filetype description includes "UTF"
|
file */*.php | grep UTF
|
Show filename and filetype description of all PHP files in current directory whose name or filetype description includes "UTF"
|
file *.php | grep UTF
|
Show find's version
|
find --version
|
Show human-readable file type description of file "/mnt/c/BOOT.INI"
|
file /mnt/c/BOOT.INI
|
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