| date |
date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]] |
print or set the system date and time |
| vim |
vim [options] -q [errorfile] |
Vi IMproved, a programmers text editor |
| id |
id [OPTION]... [USERNAME] |
print real and effective user and group IDs |
| pkill |
pkill [options] pattern |
look up or signal processes based on name and otherattributes |
| killall |
killall [-Z,--context pattern] [-e,--exact] [-g,--process-group] [-i,--interactive] [-q,--quiet] [-r,--regexp] [-s,--signal signal] [-u,--user user] [-v,--verbose] [-w,--wait] [-I,--ignore-case] [-V,--version] [--] name ... |
kill processes by name |
| pidof |
pidof [-s] [-c] [-x] [-m] [-o omitpid] [-o omitpid..] program [program..] |
find the process ID of a running program. |
| netstat |
netstat {--route|-r} [address_family_options] [--extend|-e[--extend|-e]] [--verbose|-v] [--numeric|-n] [--numeric-hosts][--numeric-ports] [--numeric-ports] [--continuous|-c] [delay] |
Print network connections, routing tables, interface statis-tics, masquerade connections, and multicast memberships |
| yes |
yes [STRING]... |
output a string repeatedly until killed |
| kill |
kill [-s signal|-p] [--] pid... |
terminate a process |
| cksum |
cksum [FILE]... |
checksum and count the bytes in a file |
| talk |
talk address [terminal] |
talk to another user |
| tail |
tail [OPTION]... [FILE]... |
output the last part of files |
| cp |
cp [OPTION]... -t DIRECTORY SOURCE... |
copy files and directories |
| tput |
tput [-Ttype] longname |
initialize a terminal or query terminfo database |
| less |
less [-[+]aBcCdeEfFgGiIJKLmMnNqQrRsSuUVwWX~] [-b space] [-h lines] [-j line] [-k keyfile] [-{oO} logfile] [-p pattern] [-P prompt] [-t tag] [-# shift] [+[+]cmd] [--] [filename]... |
opposite of more |
| whereis |
whereis [-bmsu] [-BMS directory... -f] filename... |
locate the binary, source, and manual page files for a command |
| chown |
chown [OPTION]... [OWNER][:[GROUP]] FILE... |
change file owner and group |
| sleep |
sleep NUMBER[SUFFIX]... |
delay for a specified amount of time |
| sudo |
sudo -v [-AknS] [-a type] [-g group] [-h host] [-p prompt] [-u user] |
execute a command as another user |
| file |
file [-bchikLNnprsvz0] [--apple] [--mime-encoding] [--mime-type] [-e testname] [-F separator] [-f namefile] [-m magicfiles] file ... |
determine file type |