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# You mis-type thea command name, ofor a command that is not installed on your system student01@gsafcomp01:~$ lz Command 'lz' not found, but can be installed with: apt install mtools Please ask your administrator. # You enter something that is close to an existing, or known, command student01@gsafcomp01:~$ catt Command 'catt' not found, did you mean: command 'cat' from deb coreutils (8.30-3ubuntu2) command 'catty' from deb node-catty (0.0.8-1) command 'ratt' from deb ratt (0.0~git20180127.c44413c-2) Try: apt install <deb name> student01@gsafcomp01:~$ catt catt: command not found # You try to use an unsupported option student01@gsafcomp01:~$ ls -z ls: invalid option -- 'z' Try 'ls --help' for more information. # You specify the name of a file that does not exist student01@gsafcomp01:~$ ls xxx ls: cannot access 'xxx': No such file or directory # You try to access a file or directory you don't have permissions for student01@gsafcomp01:~$ cat /etc/sudoers cat: /etc/sudoers: Permission denied |
Command line history and editing
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