Commands cheat sheet
List items and change directories
command |
description |
ls |
list directory contents |
ls -l |
list all files and directories |
cd dir |
Change the current directory to dir |
cd .. |
go up one directory |
cd |
go to home directory |
pwd |
print name of current working directory |
df -h ~ |
show available storage space in home directory |
Create, Copy and Delete items
command |
description |
mkdir dir |
make a directory |
rm file |
delete a file |
rmdir dir |
delete an empty directory |
rm -r dir |
delete a directory with its contents |
cp file1 file2 |
copy file1 to file2 |
cp -r dir1 dir2 |
copy dir1 to dir2 |
mv item1 item2 |
move (rename) files or directories |
Access files
command |
description |
cat <file> |
display the contents of a file on the screen |
less <file> |
view file with page navigation (use q to exit and arrows to navigate) |
head <file> |
output the first 10 lines of a file |
tail <file> |
output the last 10 lines of a file |
Για την επεξεργασία ενός αρχείου, χρησιμοποιούμε έναν από τους παρακάτω text editors:
Search
command |
description |
grep <pattern> <file> |
search for a pattern in a file |
grep -i <pattern> <file> |
search pattern ignoring upper/lower case |
grep -v <pattern> <file> |
display non-matching lines |
find <file> |
find a file in current directory |
find . -name "<file>" |
find instances of a file in current directory hierarchy |
Compression
command |
description |
gzip <file> |
compress a file |
gunzip <file.gz> |
decompress a Gzip file |
unzip <file.zip> |
decompress a Zip file |
tar cvzf <file.tar.gz> <files> |
create a tar with Gzip compression |
tar xvzf <file.tar.gz> |
extract a tar using Gzip |
Man page and help
command |
description |
man <command> |
display the manual page of the command |
<command> --help |
display usage information and options |
Batch jobs - Slurm
command |
description |
sbatch submit.sh |
submit a job to the cluster |
squeue |
check the status of submitted jobs |
scancel jobid |
cancel a submitted job |
seff jobid |
show resources of a finished job |
Shortcuts
command |
description |
Ctrl+C |
cancel the current command |
Ctrl+W |
delete a word in the current line |
Ctrl+U |
delete the current line |
Ctrl+R |
search command history |
Ctrl+D |
log out of current session |
Βοήθεια / Υποστήριξη
Μπορείτε να επικοινωνήσετε με το support helpdesk μέσω του email hpc-support@auth.gr
, για περαιτέρω βοήθεια και υποστήριξη.