linux_commands

/*************************************linux***************************************/

who --find who are in network

which ---ex. Which vsim,which alint

Whoami

write username

cat /etc/os-release   -->it shows the version and distribution of linux

ps -aux |grep gnome

ps --process status

echo "hi how are you"|write praveen

ps -elf |grep gnome --process status

ps -ef |less

ps -aux |less

ps ax

ps aux

ps -u user_name

ps -u -p 26218

pstree user_name

Tree  -->it shows the directory tree structure

top -u user_name

top |grep alint

last user_name

df _filesystem

df . -h ---it will give current directory space

df -h –disk_space_human_readable

df -k—kilo_bytes

df -kh

df -m – mega_bytes

du .  -->it shows current directory size

du -a | sort -n -r | head -n 5

killall gnome-panel----carefull

killall gnome-shell----carefull

su lokesh

Su

grep -rn pattern name –it will give where that pattern with line no in subfolders also

cat example.v – it will show content of the file

cat data_type_1/src/data_types_1.v |grep module

grep pattern data_types_1.v

grep -in pattern * ---it greps the pattern inside the file with line number also --star means whole directory

grep -rn pattern * --it greps the pattern inside the file with recursively

grep -n pattern data_types_1.v  --it shows the numbers of pattern

grep -c pattern data_types_1.v ---it shows the count

zgrep -i   "pattern" file.v--- finding zip files

cp file_name ../destination_path-- cp file.v ../tb/.

mv old_name new_name ---mv old.v new.v

find . -name mux

find /home/commonfolder/common_dora/verilog_spec -name mux

find uvm_labs |grep pattern

find . |grep pattern

find . -type d |grep -i folder—it shows only directories

find . -type f |grep -i folder – it shows only files

find . -name \*.cfg -type f -delete

find . -name \work -type d -exec rm -fr {} \;

find dora/ |grep -i video –it  ignore the case sensitive

ls -l |grep folder_pattern

ls -d */*/*/---listing the directories in hierarchical model

ls *.rc | wc  --->it will show the count w.r.t .rc_file

ll  |grep -i folder_pattern

ls |wc -l   -->it show no.of files

ln -s /nfs/site/home/mdorabax/my_work/experiments/user3 my_child  --create the soft links

ln /nfs/site/home/mdorabax/my_work/experiments/user3/ex.v my_ex.v  --it will create hard links (be carefull, if you change one place It will reflect everywhere).

 sudo ln -sf /usr/share/zoneinfo/Asia/Calcutta /etc/localtime  -->it is for time changes to localtime

ls */run/*.do

ls */run/*.do > flist_do

wc filename.v-- shows the word count

chmod 777 file.v

chmod u+wrx g+xr <file.v or directory>  --changing the permissions

chmod ug+wrx

chmod uga+wr

tar -xvf tests.tar.gz

zip dora.v dora

unzip dora.v

Chc -->it changes the terminal color

echo "my text" | tee -a *.php --adding the text

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